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

Fertilisation is the process of

Transfer of male gamete to female gamete

Fusion of nuclei of male and female gamete.

Adhesion of male and female reproductive organs

The formation of gametes by a reproductive organ

2 / 15

Characters that are transmitted from parents to ofspring during reproduction

Only similarities with parents

Only variations with parents

Both similarities and variations with parents

Neither similarities nor variations

3 / 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

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 among the following statements are true for sexual reproduction in fowering plants?

It requires two types of gametes.

Fertilisation is a compulsory event.

It always results in the formation of zygote.

Offsprings formed are clone

1 , 2 and 3

2 and 3

1 and 3

2 and 4

6 / 15

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

Menarche

Menopause

Ovulation

Pregnancy

7 / 15

Which among the following diseases is not sexually transmitted?

Syphillis

Hepatitis

HIV-AIDS

Gonorrhoea

8 / 15

The number of chromosomes in parents and ofsprings of a particular species remains unchanged due to

Doubling of chromosomes during gamate formation.

Halving of chromosomes during gamate formation

Halving of chromosomes during zygote formation

Doubling of chromosomes during gamate formation

9 / 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

10 / 15

Slides of binary fission in Amoeba and budding in yeast were given for observa group of students. Some of the observations reported by the group are given below:

Cytokinesis was observed in the yeast cell.

A chain of buds were observed in Amoeba.

Single cell of Amoeba and single cell of yeast were undergoing binary fission and budding respectively

Elongated nucleus was dividing to form two daughter nuclei in Amoeba

3 and 4

2 and 3

3

1 and 4

11 / 15

Example of bisexual fowers.

Watermelon

Papaya

Hibiscus

Corn

12 / 15

What is the mode of asexual reproduction in Amoeba?

Binary Fission

Fragmentation

Budding

Regeneration Or Budding

13 / 15

In flowers,what is the female reproductive part called as?

Pistil Or Carpel

Ovaries

Filaments

Stigma

14 / 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

15 / 15

A small family is a happy family means

A couple with only two children.

A couple with only four children.

A couple with only three children.

A couple with only two children.

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Science : Ch 08 – How do Organisms Reproduce

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