Class 9 Biology Chapters Grand MCQs Tests

The stack of thylakoids is called:

Which of the following is highest taxon of classification?

Mitosis was discovered in:

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

Who grouped species according to similar physical characteristics?

Energy is required in:

A related group of genera comprises:

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

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

A family is a group of related:

________ are specialized for cellular respiration.

Complete set of spindle fibres is known as:

Gametophyte generation produces haploid gametes through:

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

Microtubules are made up of:

The example of a simple community is:

Blebs break off from the cell and are called:

The concept of metabolism was first of all given by:

Biomolecules assemble in a particular way and form:

Microfilaments are made up of:

The animals present in a particular region:

Digestive system is:

Centrioles are involved in the formation of:

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

Group of tissues doing a particular job is called:

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

To which group of molecules enzymes belong?

The division of nucleus is called:

During G1 phase:

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

Who discovered crossing over?

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

During interphase

Smooth endoplasmic Reticulum is involved in:

August Weismann described the significance of meiosis in:

The logical consequences of hypotheses are:

Percentage of Hydrogen in the protoplasm of living organisms is:

__________ are specialized for protein synthesis.

The order of pea plant is:

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

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

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

Cell membrane is mainly composed of:

Which of these organelles have their own DNA?

Chemically enzymes are:

Facilitated diffusion is:

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

The term metabolism is derived from:

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

Budding takes place in:

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

The smallest taxon of taxonomy is:

Plastids are present in the cells of:

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

A class is a group of related:

The plants present in a particular region:

The examples of macromolecules are:

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:

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

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

Quantitative observations are considered:

A group of related species is:

In biological method the next step of hypothesis is called:

At which stage of cell cycle cell stop dividing?

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

The tumors which remain at their production site are called:

The structural and functional unit of life is:

The diameter of human red blood cell is:

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

Thomas Hunt Morgan observed crossing over in Drosophila nielanogaster in:

Who ntroduced the taxon of “order“?

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

Primary wall is made up of:

Weight of 1 liter of water is:

The study of the structure of internal organs is:

The microscopic study of tissues is done in:

Biological Method comprises of _____ steps.

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

The most basic step of biological method is:

Lysosomes were discovered by:

The word meiosis comes from:

The basic unit of classification is:

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

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

The cell wall of fungi is made up of:

Mitosis consists of phases:

The tentative explanation of observations is called a ________.

The cell wall of prokaryotes is made up of:

The cells that contribute in coordination of the body:

Flattened sacs, cisternae are found in:

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

The freezing point of water is:

Cell Organelle which contains digestive enzymes:

The phenomenon of spreading cancer:

Meiosis takes place in:

Meiosis was discovered in:

New red blood cells are formed by:

Those cell which give rise to gametes are called:

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

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

The family of human being is:

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

In which phase chromosomes form a meta phase plate?

The abnormal separation of homologous chromosomes during anaphasel of meiosis:

The shrinking of cytoplasm is:

The diploid sporophyte generation produces haploid spores through:

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

Functions of Chloroplast is:

Leucoplasts are colourless and store:

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

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

Golgi was awarded Nobel Prize for:

_______ tissue secretes gastric juice for the digestion of proteins.

Asexual reproduction in hydra is takes place by:

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

Which organelles are involved in protein synthesis?

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

The mitochondrion functions in:

Who wrote a lot about the life of ants?

Members of a single species living in a habitat:

Which is not present in cell membrane?

Spindle fibers are formed during:

In which phase cell duplicates its chromosomes?

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

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

Which of the following is the longest phase of karyokinesis?

Weight of 1 liter of ethanol is:

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

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

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

Errors in the control of mitosis may cause:

During mitosis one cell divides into daughter cells:

Many haploid fungi and protozoans produce haploid gametes through:

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

Interphase is divided into how many phases?

Biologists use reasoning to formulate a _________.

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

How many kinds of organisms inhabit the earth?

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

Prokaryotic cells undergo a process similar to mitosis called:

Which animal shows regeneration?

The study of the structures of living organisms:

The division of cytoplasm:

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

The study of parasites is done in:

The programmed cell death:

The animal unable to reproduce is:

The problem related to living organisms are ___________ problems.

The study of inheritance is called:

Tumors are produced as a result of errors in:

The order of human according to classification is:

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

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

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

Human body is made up of types of cells:

The examples of Micromolecules are:

Galileo performed his experiments in ________.

Ribosomes are formed in:

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

Who discovered meiosis?

The longest phase in meiosis is:

Stomach is an organ specialized for:

Which organelles are involved in energy production?

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

Which phase is a reversal of prophase?

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

The abnormal number of chromosomes in humans:

The phase in which crossing over occurs:

Secondary wall is made up of:

Golgi was awarded Nobel Prize in:

The accidental cell death:

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

Biosphere is also known as:

Who discovered mitosis?

The study of Insects is called:

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

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

A genus is a group of related:

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

Chromoplasts are associated with bright colours and help in:

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

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

The solution that has relatively more solute:

Which of the following is not true about enzymes?

The major phases of cell cycle are:

Gaseous exchange in gills and lungs occurs by:

The size of the smallest Bacterium is:

The term Metabolism is derived from the Greek words means:

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

The molecules on which enzymes act are called:

Each ATP molecule has subunits:

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

The covalent bond connected to two phosphate is:

The lipids are composed of:

In cellular respiration, food is oxidized to:

The alternating contraction and relaxation of heart chambers:

The mineral that stabilizes bone mineral and hardens tooth enamel:

Which of the following vitamins act as coenzyme?

Pancreatic juice from pancreas contains enzymes:

Percentage of cells or cell like bodies in blood:

Gain of electrons is called:

The length of duodenum in adult human:

Which one is an insoluble dietary fibre?

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

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

Sun light is absorbed by:

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

The enzyme that acts on lipids:

In normal adults, the mass of heart is:

The roots and root hairs absorb water from soil by:

The blood vessels that carry blood away from heart:

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

How many ATP molecules are generated in anaerobic respiration?

Which one trace mineral is required for normal thyroid function?

The largest and strongest chamber in heart is:

During atrial systole:

The blood pressure in arteries is:

The first fat-soluble vitamin identified in 1913:

These are smallest blood vessels:

In adult human oesophagus is about:

Percentage of plasma in blood:

Process of glycolysis is found in:

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

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

The pancreas produces digestive enzymes and releases them into:

The greatest fuel of energy of cellular respiration is:

Which one is an agranulocyte?

Which vitamin converts opsin into rhodopsin?

Dark reactions take place in:

Who proposed lock and key model?

Alcoholic fermentation occurs in: