Biology 10 Chapter 15 MCQs Test 5

In Biology 10 Chapter 15 MCQs Test 5, there are 15 MCQs. A total of 5 MCQs Tests are available from Chapter 15 of FBISE Class 10 Biology Book. We have prepared 75 multiple-choice questions, which are divided into five MCQs Tests.

Practice
MCQs Test No 5

38

Class 10 Biology
Chapter 15
Practice MCQs Test No 5

1 / 15

What condenses Into a chromosome?

Chromatin material

Nucleolus

Cytoplasm

Nucleoplasm

2 / 15

What make the backbone of DNA molecule?

Deoxyribose

Nitrogenous bases

Phosphate

Phosphate + Deoxyribose

3 / 15

__________________ gave the first hint at evolution?

Charles Darwin

C.de Buffon

R. C. Punnett

Lamarck

4 / 15

mRNA is synthesized by:

DNA Polymerase

RNA Ligase

RNA Polymerase

Ribosomes

5 / 15

A dominant allele only suppresses the expression of recessive allele it does not affect its:

Nature

Working

Position

Length

6 / 15

Feet size in Man Is an example of:

Discontinuous variations

Continuous variations

Gene flow

Heredity variations

7 / 15

The possible number of chromosomal combinations are:

70 billion

80 trillion

70 millions

70 trillion

8 / 15

Which of the following genes will be termed as Homozygous Recessive,

RrYy

rryy

RRYY

RrYY

9 / 15

What will be the colour of flowers produced as a result of cross between red and white flowered 4'O Clock plants?

Purple

Red

White

Pink

10 / 15

The first filial generation Is denoted by

P2

F2

P1

F1

11 / 15

Physical appearance or colour of an organism is called:

Physical power

Genotype

Karyotype

Phenotype

12 / 15

Mendel used __________ pea plants in his experiments

2800

28000

280000

2800000

13 / 15

In artificial selection, bred plants are known as:

Cultivars

Varieties

Cultivars and varieties

Breeds

14 / 15

What Is the Diploid (2n) number of humans?

46

23

26

16

15 / 15

True breeding means:

Homozygous

Both homozygous and hetrozygous

None

Hetrozygous

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