5

Class 9 Biology
Chapters MCQs
Grand Practice Test 1

1 / 188

All organisms that can prepare food from simple inorganic materials and thus can store energy, are:

2 / 188

Asexual reproduction in hydra is takes place by:

3 / 188

The tumors which remain at their production site are called:

4 / 188

The phase in which crossing over occurs:

5 / 188

Those cell which give rise to gametes are called:

6 / 188

Who discovered mitosis?

7 / 188

The abnormal separation of homologous chromosomes during anaphasel of meiosis:

8 / 188

The example of a simple community is:

9 / 188

The cells that contribute in coordination of the body:

10 / 188

Chemically enzymes are:

11 / 188

Microfilaments are made up of:

12 / 188

In which phase of meiosis the pain of homologous chromosomes align along equatorial plane forming the metaphase plate?

13 / 188

Which animal shows regeneration?

14 / 188

Functions of Chloroplast is:

15 / 188

The shrinking of cytoplasm is:

16 / 188

Chromoplasts are associated with bright colours and help in:

17 / 188

Flattened sacs, cisternae are found in:

18 / 188

Errors in the control of mitosis may cause:

19 / 188

Which organelles are involved in protein synthesis?

20 / 188

Populations of different organisms living together in a habitat is called:

21 / 188

In which phase chromosomes form a meta phase plate?

22 / 188

Thomas Hunt Morgan observed crossing over in Drosophila nielanogaster in:

23 / 188

Which of these major bio elements is present in lowest amount in the body mass of living organisms?

24 / 188

Who discovered crossing over?

25 / 188

Secondary wall is made up of:

26 / 188

The branch that deals with the study of the interactions between the organisms and their environment is:

27 / 188

The examples of macromolecules are:

28 / 188

August Weismann described the significance of meiosis in:

29 / 188

The problem related to living organisms are ___________ problems.

30 / 188

Interphase is divided into how many phases?

31 / 188

The diameter of human red blood cell is:

32 / 188

Similar cells organized into groups and performing same functions are known as:

33 / 188

In which phase cell duplicates its chromosomes?

34 / 188

A family is a group of related:

35 / 188

The size of the smallest Bacterium is:

36 / 188

Cell Organelle which contains digestive enzymes:

37 / 188

The tentative explanation of observations is called a ________.

38 / 188

The process in which semi-permeable membrane separate salts from water:

39 / 188

The accidental cell death:

40 / 188

Golgi was awarded Nobel Prize in:

41 / 188

The study of the structures of living organisms:

42 / 188

Microscopic structure which does a particular job in a cell is known as:

43 / 188

Complete set of spindle fibres is known as:

44 / 188

During G1 phase:

45 / 188

Which of the following is the longest phase in cell cycle?

46 / 188

Lysosomes were discovered by:

47 / 188

The cell wall of prokaryotes is made up of:

48 / 188

According to this system, bacteria, fungi and algae were included in kingdom plantae.

49 / 188

Who translated Aristotle’s book “de Anima (On the Soul)” in Arabic?

50 / 188

The movement of molecules from a region of lower concentration to higher concentration is called:

51 / 188

The cells that undergo contraction and share their role in movements of:

52 / 188

Animal cells have two centrioles near the exterior surface of nucleus collectively called:

53 / 188

The type of plastids that contain pigments associated with bright colours:

54 / 188

The solution that has relatively more solute:

55 / 188

Meiosis takes place in:

56 / 188

The microscopic study of tissues is done in:

57 / 188

The most basic step of biological method is:

58 / 188

The phase of inter phase in which cell prepares proteins for mitosis:

59 / 188

Mitosis was discovered in:

60 / 188

The study of the structure of internal organs is:

61 / 188

Which one of the following is not the characteristic of a good hypothesis?

62 / 188

__________ are specialized for protein synthesis.

63 / 188

The phenomenon of spreading cancer:

64 / 188

The concept of metabolism was first of all given by:

65 / 188

Biodiversity found on earth today is the result of how many years of evolution?

66 / 188

A class is a group of related:

67 / 188

The programmed cell death:

68 / 188

During interphase

69 / 188

If a scientist is studying the methods of inserting human insulin gene in bacteria, which branch of biology may this be:

70 / 188

Weight of 1 liter of water is:

71 / 188

In which stage of cell cycle, the cell is preparing enzymes for chromosomes duplication?

72 / 188

Which of these tissues also makes the glandular tissue in animals?

73 / 188

A group of related species is:

74 / 188

________ are specialized for cellular respiration.

75 / 188

The mitochondrion functions in:

76 / 188

The term Metabolism is derived from the Greek words means:

77 / 188

The division of nucleus is called:

78 / 188

In eukaryotic cells, which of the following organelles are bounded by cell membrane?

79 / 188

Centrioles are involved in the formation of:

80 / 188

The chromosomes arrange themselves along the equator of the cell in phase:

81 / 188

Mitosis consists of phases:

82 / 188

Oral cavity, stomach, small intestine, large intestine, liver, and pancreas are the major organs of:

83 / 188

Percentage of Hydrogen in the protoplasm of living organisms is:

84 / 188

How many kinds of organisms inhabit the earth?

85 / 188

The family of human being is:

86 / 188

The branch of Biology which deals with classification and traces the evolutionary history of organisms:

87 / 188

Gaseous exchange in gills and lungs occurs by:

88 / 188

To which group of molecules enzymes belong?

89 / 188

Who wrote a lot about the life of ants?

90 / 188

Weight of 1 liter of ethanol is:

91 / 188

The diploid sporophyte generation produces haploid spores through:

92 / 188

The abnormal number of chromosomes in humans:

93 / 188

The animal unable to reproduce is:

94 / 188

If a scientist is studying drugs and their effects on the systems of body, which branch of biology may this be?

95 / 188

The two non-sister chromatids of homologous chromosomes join each other at:

96 / 188

Facilitated diffusion is:

97 / 188

Energy is required in:

98 / 188

Budding takes place in:

99 / 188

Stomach is an organ specialized for:

100 / 188

Members of the same species living in the same place at the same time make a:

101 / 188

The examples of Micromolecules are:

102 / 188

The structural and functional unit of life is:

103 / 188

The stack of thylakoids is called:

104 / 188

In the cell wall of plants, the chemical present is:

105 / 188

Scientists who use the scientific method to make new theories are:

106 / 188

Galileo performed his experiments in ________.

107 / 188

In meiosis, one diploid cell divides into how many haploid cells?

108 / 188

Members of a single species living in a habitat:

109 / 188

Meiosis was discovered in:

110 / 188

Blebs break off from the cell and are called:

111 / 188

The cell wall of fungi is made up of:

112 / 188

Which of these organelles have their own DNA?

113 / 188

Who grouped species according to similar physical characteristics?

114 / 188

Who introduced the taxa of “class“ and “species“?

115 / 188

Which organelles are involved in energy production?

116 / 188

The earliest known system of classification of organisms comes from the Greek philosopher:

117 / 188

The division of cytoplasm:

118 / 188

In biological method the next step of hypothesis is called:

119 / 188

Spindle fibers are formed during:

120 / 188

The series of events from the time a cell is produced until it completes mitosis and produces new cells:

121 / 188

The study of Insects is called:

122 / 188

Ribosomes are formed in:

123 / 188

_______ tissue secretes gastric juice for the digestion of proteins.

124 / 188

The smallest taxon of taxonomy is:

125 / 188

Who ntroduced the taxon of “order“?

126 / 188

Cell membrane is mainly composed of:

127 / 188

Primary wall is made up of:

128 / 188

The study of parasites is done in:

129 / 188

Biosphere is also known as:

130 / 188

The logical consequences of hypotheses are:

131 / 188

Plastids are present in the cells of:

132 / 188

When we study the feeding relations among the different species of a forest, at what level of organization we are studying?

133 / 188

The animals present in a particular region:

134 / 188

Microtubules are made up of:

135 / 188

Biomolecules assemble in a particular way and form:

136 / 188

The order of pea plant is:

137 / 188

Biologists use reasoning to formulate a _________.

138 / 188

The term metabolism is derived from:

139 / 188

Biological method has played an important part in scientific research for almost _______ years.

140 / 188

The basic unit of classification is:

141 / 188

Biological Method comprises of _____ steps.

142 / 188

The major phases of cell cycle are:

143 / 188

Out of the 92 naturally occurring elements _______ are called bio-elements.

144 / 188

Which of the following is not true about enzymes?

145 / 188

Observations are made with five senses of vision, hearing, smell, taste, and ______.

146 / 188

Which of the following is highest taxon of classification?

147 / 188

The study of the functions of living organisms and their parts called:

148 / 188

In an adult human, the number of cells that die each day by apoptosis:

149 / 188

The process in which homologous chromosomes line up with each other and form pairs:

150 / 188

The plants present in a particular region:

151 / 188

Prokaryotic cells undergo a process similar to mitosis called:

152 / 188

Which of these major bioelements is in the highest percentage in protoplasm?

153 / 188

Who divided plants into fifteen groups and called them "genera"?

154 / 188

Who introduced the system of classification of organisms for the first time?

155 / 188

During mitosis one cell divides into daughter cells:

156 / 188

Human body is made up of types of cells:

157 / 188

The cells that do not enter GO phase and continue to divide through out an organism's life:

158 / 188

The cross between a male donkey and a female horse produces:

159 / 188

Group of tissues doing a particular job is called:

160 / 188

Golgi was awarded Nobel Prize for:

161 / 188

A genus is a group of related:

162 / 188

Who discovered meiosis?

163 / 188

In animal cells, cytokinesis occurs by a process known as:

164 / 188

Which system ignores the difference between organisms having prokaryotic and those having Eukaryotic cells.

165 / 188

It is the study of fossils, which are the remains of extinct organisms. Paleontologists study the age and structure of fossils and on this basis study the process of evolution is called:

166 / 188

Which phase is a reversal of prophase?

167 / 188

Which is not present in cell membrane?

168 / 188

At which stage of cell cycle cell stop dividing?

169 / 188

New red blood cells are formed by:

170 / 188

Digestive system is:

171 / 188

The scientific method in which biological problems are solved is called:

172 / 188

Smooth endoplasmic Reticulum is involved in:

173 / 188

Tumors are produced as a result of errors in:

174 / 188

The order of human according to classification is:

175 / 188

A related group of genera comprises:

176 / 188

The study of the naming and classification of organisms into groups and subgroups:

177 / 188

Quantitative observations are considered:

178 / 188

The study of inheritance is called:

179 / 188

Many haploid fungi and protozoans produce haploid gametes through:

180 / 188

The freezing point of water is:

181 / 188

Leucoplasts are colourless and store:

182 / 188

The word meiosis comes from:

183 / 188

Who divided nature into three kingdoms: mineral, vegetable and animal?

184 / 188

The level of organization that is less definite in plants is:

185 / 188

The longest phase in meiosis is:

186 / 188

Which of the following is the longest phase of karyokinesis?

187 / 188

Which term refers to the relative concentration of solutes in the solution?

188 / 188

Gametophyte generation produces haploid gametes through:

Your score is


1

Class 9 Biology
Chapters MCQs
Grand Practice Test 2

1 / 180

Alcoholic fermentation occurs in:

2 / 180

The roots and root hairs absorb water from soil by:

3 / 180

ATP was discovered in:

4 / 180

Which vitamin is made by bacteria in colon?

5 / 180

Which mineral is essential for development and maintenance of bones and teeth?

6 / 180

The normal PH of Human blood is:

7 / 180

How much energy is provided by one gram of carbohydrates?

8 / 180

The tissue layer that is common in all types of blood vessels:

9 / 180

The enzymes used for the removal of protein stains from clothes?

10 / 180

The blood pressure in arteries is:

11 / 180

The function of bile is:

12 / 180

Number of thrombocytes (Platelets) in one cubic millimeter of blood is:

13 / 180

The greatest fuel of energy of cellular respiration is:

14 / 180

When was induced-fit model proposed?

15 / 180

Light reactions take place on:

16 / 180

A non-functional finger-like process:

17 / 180

The elimination of undigested food from the body:

18 / 180

How many ATP molecules are generated in anaerobic respiration?

19 / 180

Which enzymes are used in dish washing to remove resistant starch residues?

20 / 180

Which one trace mineral is required for normal thyroid function?

21 / 180

In which step of respiration CO₂ is produced?

22 / 180

ATP was discovered by:

23 / 180

Which vitamin converts opsin into rhodopsin?

24 / 180

The mineral that stabilizes bone mineral and hardens tooth enamel:

25 / 180

Plants get nitrogen in the form of:

26 / 180

Water soluble vitamin is:

27 / 180

Lubb-dubb can be heard with the help of:

28 / 180

The covalent bond connected to two phosphate is:

29 / 180

The lipids are composed of:

30 / 180

Which of the following prevents blood clotting?

31 / 180

The loss of electrons is called:

32 / 180

When there is an increase in temperature, the rate of enzyme catalyzed reactions:

33 / 180

Which of the following is known as the mother disease?

34 / 180

Which one factor does not affect the rate of photosynthesis?

35 / 180

Which of the following is the soluble dietary fibre?

36 / 180

Photosynthesis is:

37 / 180

From which bond of food energy is taken?

38 / 180

Poor Growth, blindness and dry skin are the deficiency symptoms of:

39 / 180

Deficiency of which element causes the yellowing of leaves in plants?

40 / 180

Gain of electrons is called:

41 / 180

The functions of calcium:

42 / 180

The circular folds in the inner wall of ileum have numerous finger-like projections called:

43 / 180

Which of the following is not fat soluble vitamin?

44 / 180

In which process oxygen is released as a by-product?

45 / 180

The alternating contraction and relaxation of heart chambers:

46 / 180

Percentage of cells or cell like bodies in blood:

47 / 180

The peptide bonds in proteins are broken down by:

48 / 180

Vitamin C is needed:

49 / 180

Who proposed induced-fit model?

50 / 180

Sun light is absorbed by:

51 / 180

The break down of water molecule during light reactions is called:

52 / 180

The type of valve present at the base of pulmonary trunk:

53 / 180

When one inorganic phosphate is detached from ATP, it is converted into:

54 / 180

In electron transport chain each NADH produces:

55 / 180

Almost all the enzymes are:

56 / 180

Soy sauce is made through the fermentation by a fungus:

57 / 180

Percentage of plasma in blood:

58 / 180

Where are villi found?

59 / 180

Whose fermenting powers are used for making cheese and yogurt?

60 / 180

The length of ileum in adult human:

61 / 180

Starch is broken down by an enzyme called:

62 / 180

In cellular respiration, food is oxidized to:

63 / 180

Who first time used the term enzyme?

64 / 180

Scurvy is caused due to deficiency of in body:

65 / 180

Which of the following major component of food is needed as the main structural component of the body?

66 / 180

How much energy is provided by one gram of lipids?

67 / 180

The grinding of food by teeth is called.

68 / 180

The micronutrient that is required by plants for nitrogen metabolism:

69 / 180

The pancreas produces digestive enzymes and releases them into:

70 / 180

The largest gland of human's body is:

71 / 180

Enzymes lower the activation energy in the ways:

72 / 180

Which one is an organic fertilizer?

73 / 180

The average volume of blood in adult human's body is:

74 / 180

In the embryonic and foetal life, red blood cells are formed in:

75 / 180

If organic cofactors are loosely attached with enzyme, they are called:

76 / 180

Which part of food is semi digested in oral cavity?

77 / 180

How many ATP molecules are generated in aerobic respiration?

78 / 180

The outermost layer of the root:

79 / 180

The most common fuel used by cell to get energy from cellular respiration is:

80 / 180

Process of glycolysis is found in:

81 / 180

The estimated water requirement of an average adult per day:

82 / 180

Which blood cells are the most numerous in healthy human blood?

83 / 180

The optimum temperature for the maximum working speed of human enzymes is:

84 / 180

The most terrible famines of twentieth century are:

85 / 180

In which phase of respiration glucose molecule is broken in to two molecules of pyruvic Acid?

86 / 180

Which organ belongs to circulatory system?

87 / 180

Krebs cycle and electron transport chain occur in:

88 / 180

Through which blood vessels the materials are exchanged between the blood and the surrounding tissues?

89 / 180

When was Calvin awarded Nobel Prize?

90 / 180

Which of the following is a major mineral?

91 / 180

ATP is an example of:

92 / 180

In which part of the alimentary canal, the maximum absorption of nutrients occur?

93 / 180

The blood vessels that carry blood away from heart:

94 / 180

From which bond of A.T.P. molecule energy is taken?

95 / 180

The part of the large intestine in which maximum absorption of water take place:

96 / 180

Which of the following is not true about induced fit model?

97 / 180

Blood clotting protein:

98 / 180

When fibrinogen makes blood clot it separates from blood and the remainder is called:

99 / 180

In which of the following blood vessels, the blood pressure is low?

100 / 180

Deficiency of vitamin D leads to:

101 / 180

The process of taking in food:

102 / 180

In an adult human, the weight of liver:

103 / 180

The opening between right atrium and right ventricle is guarded by a valve called:

104 / 180

The length of jejunum in adult human:

105 / 180

Number of discovered enzymes so far:

106 / 180

According to the pressure-flow mechanism, the actual force behind the movement of food in phloem:

107 / 180

In normal adults, the mass of heart is:

108 / 180

The first fat-soluble vitamin identified in 1913:

109 / 180

Number of phosphate groups in ATP molecule:

110 / 180

When the term enzyme was used for the first time?

111 / 180

The blood cells which help in blood clotting:

112 / 180

The minerals required for fluid balance in the body:

113 / 180

The average number of leukocytes in one cubic millimeter of blood:

114 / 180

The deficiency of which mineral causes anaemia?

115 / 180

The increase in the chemical nutrients in an ecosystem is called:

116 / 180

Percentage of water in plasma:

117 / 180

Average Number of red blood cells in a cubic millimeter of blood:

118 / 180

The molecules on which enzymes act are called:

119 / 180

The ATP was proposed to be the main energy transfer molecule in the cell by:

120 / 180

Which one is an agranulocyte?

121 / 180

The length of duodenum in adult human:

122 / 180

In one heart beat, diastole remains about second:

123 / 180

Which vitamin is synthesized by skin exposed to ultraviolet radiations of the sun?

124 / 180

In cell, aerobic respiration sites are:

125 / 180

How many molecules of CO₂ are produced when kreb's cycle operates once?

126 / 180

When was lock and key model proposed?

127 / 180

The catalytic region of enzyme is called:

128 / 180

Which one is a macronutrient?

129 / 180

If organic cofactors are tightly bound to enzyme, they are called:

130 / 180

Average life span of platelets:

131 / 180

Which of the following enzyme is present in Bile?

132 / 180

The third part of blood circulatory system:

133 / 180

Who proposed lock and key model?

134 / 180

Which of the following are the most common source of energy?

135 / 180

These are smallest blood vessels:

136 / 180

Which acid is present in pepsin?

137 / 180

Main photosynthetic pigment:

138 / 180

Which part of gut absorbs water?

139 / 180

How much saturated fatty acids are present in butter?

140 / 180

Now much unsaturated fatty acids are present in sunflower oil?

141 / 180

The deficiency of vitamin C results in:

142 / 180

Night blindness is caused by the deficiency of:

143 / 180

Which of the following is a micronutrient?

144 / 180

Chlorophyll pigment absorbs maximum light in wavelengths of:

145 / 180

The blood cells which do not contain pigments and are colorless:

146 / 180

The functions of Phosphorus are:

147 / 180

When does our heart takes rest?

148 / 180

In adult human oesophagus is about:

149 / 180

When the direction of peristalsis reverses, it results:

150 / 180

Photosynthetic pigments are arranged in the form of clusters called:

151 / 180

NADPH is formed during:

152 / 180

Faeces are temporarily stored in:

153 / 180

Through which process organism gets energy?

154 / 180

Average human heart beat per minute:

155 / 180

In stomach, Pepsinogen in converted into:

156 / 180

How much of the adult human body is composed of water?

157 / 180

Functions of the large intestine include:

158 / 180

Which one is trace mineral?

159 / 180

How many stages are present in aerobic respiration?

160 / 180

The wave of contraction and relaxation in the smooth muscles of alimentary canal:

161 / 180

Which one is an insoluble dietary fibre?

162 / 180

Food contains energy in its bonds in the form of:

163 / 180

Which of the following vitamins act as coenzyme?

164 / 180

The amount of energy provided by one gram of protein?

165 / 180

Dark reactions take place in:

166 / 180

Which cell play role in body's defence?

167 / 180

The largest and strongest chamber in heart is:

168 / 180

Average life span of erythrocytes:

169 / 180

The opening between left atrium and left ventricle is guarded by a valve called:

170 / 180

The enzyme that acts on lipids:

171 / 180

Transpiration from plant surface takes place through:

172 / 180

How much energy is released by breaking of one phosphate bond of ATP?

173 / 180

Gastric juice is composed chiefly of:

174 / 180

During atrial systole:

175 / 180

Which of the following blood vessels have valves to prevent back flow of blood?

176 / 180

Proteins are also the major components of:

177 / 180

The details of dark reactions were discovered by:

178 / 180

Which one is an organic cofactor?

179 / 180

Pancreatic juice from pancreas contains enzymes:

180 / 180

Each ATP molecule has subunits:

Your score is


Past Papers MCQs Grand Tests

0

Class 9 Biology
Past Papers MCQs
Grand Practice Test

1 / 210

The disease of Goiter may be due to:

2 / 210

Lack of Iodine in the diet causes

3 / 210

During Prophase-I, homologous chromosomes line up length-wise with each other and form pairs, which is called:

4 / 210

Which disease is caused by the deficiency of vitamin D?

5 / 210

Which of the following was added in three kingdom classification system along with Plantae and Animalia?

6 / 210

The inner membrane of mitochondria forms many Infoldings called ____________

7 / 210

Prosthetic groups are:

8 / 210

In binomial nomenclature. the first letter of the name is capitalized.

9 / 210

The substance change pepsinogen into its active form pepsin by the help of:

10 / 210

In which phase of cell cycle do the chromosomes duplicate?

11 / 210

Which is the main component of prokaryotic cell wall?

12 / 210

In Pakistan which species is facing decline in its population due to hunting by foreigners and habitat destruction?

13 / 210

Stomata cover only ________________ of the leaf surface.

14 / 210

When the last member of a particular species dies, the species is said to be:

15 / 210

Which of the following contains unicellular organization?

16 / 210

Which of the following is the Energy producing centre of the cell?

17 / 210

Trypsin enzyme digests: