Science : Ch 08 – How do Organisms Reproduce

This test is designed based on NCERT Syllabus for Class 10 Topics : How do Organisms Reproduce

Each time random 15 questions will be displaced
So retake the quiz till you have mastered all the questions

1 / 15

Offspring produced by asexual method of reproduction have more similarity among themselves because:

Asexual reproduction involves only one parent

Asexual reproduction does not involve gametes

Asexual reproduction occurs before sexual reproduction

Asexual reproduction occurs after sexual reproduction

2 / 15

Choose the precise statement(s) on budding in yeast from the following:

A parent cell divides into two or more daughter cells and here the parent identity is lost

In this the elongated nucleus divides to form two or more daughter nuclei.

A bud arises from a particular region on a parent body

After detaching from the parent body the bud grows into a new independent individual

3 / 15

The length of pollen tube depends upon the distance between:

Pollen grain and upper surface of stigma

Pollen grain on upper surface of stigma and ovule

Pollen grain in anther and upper surface of stigma

Upper surface of stigma and lower part of style

4 / 15

Factors responsible for the rapid spread of bread mould on slices of bread are:

Large number of spores

Availability of moisture and nutrients in the bread

Presence of tubular branched hyphae

Formation of round shaped sporangia

1

2

1 And 2

1 and 3

5 / 15

Which one of the following permanently marks the end of menstrual cycle in females ?

Menarche

Menopause

Ovulation

Pregnancy

6 / 15

Assertion (A): A basic event in reproduction is the creation of a DNA copy. Reason (R) : The DNA in the cell nucleus is the information source for making proteins.

Both (A) and (R) are true and (R) is correct explanation of the assertion

Both (A) and (R) are true but (R) is not the correct explanation of the assertion

(A) is true but (R) is false

(A) is false but (R) is true

7 / 15

Reproduction is essential for living organisms to order to:

Keep the individual organism alive

Fulfll their energy requirements

Maintain growth

Continue the species generation after generation

8 / 15

What is the mode of asexual reproduction in Amoeba?

Binary Fission

Fragmentation

Budding

Regeneration Or Budding

9 / 15

Name the organ that produces sperms in human males.

Testes

Testosterone

Both 1 & 2

None Of These

10 / 15

A pair of long convoluted tubes that carry ova or eggs from the ovary to the uterus is known as

Tubectomy

Callopian Tube

Fallopian Tube

All Of These

11 / 15

The development foetus takes place in mother’s body from

Ovaries

Embryo

Placenta

Fallopian Tube

12 / 15

Which pollination increases genetic uniformity and decreases variations

Cross Pollination

Self Pollination

Both 1 & 2

None Of These

13 / 15

Tubectomy does not prevent the spread of sexually transmitted diseases.

True

False

Not sure

Don’t know

14 / 15

Total number of chromosomes present in human beings are

46

23

24

48

15 / 15

The number of chromosomes shared from both male & female are

26 from each

23 from each

46 from each

12 from each

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Science : Ch 08 – How do Organisms Reproduce

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