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

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

2 / 15

In Rhizopus, tubular thread-like structures bearing sporangia at their tips are called

Filaments

Hyphae

Rhizoids

Roots

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

Characters transmitted from parents to ofspring are present in:

Cytoplasm

RIbosome

Golgi complex

Genes

5 / 15

Which among the following diseases is not sexually transmitted?

Syphillis

Hepatitis

HIV-AIDS

Gonorrhoea

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

Example of unisexual fowers.

Papaya

Mustard

Hibiscus

Rose

8 / 15

What is the mode of asexual reproduction in Rhizopus

Spore Formation

Fragmentation

Budding

Binary Fission

9 / 15

Which of the following is a bacterial STD?

Gonorrhoea

Warts

HIV

None Of These

10 / 15

which of the following is a viral STD?

Gonorrhoea

Syphilis.

Both 1 & 2

HIV-Aids And Warts

11 / 15

Name the organ that produces sperms in human males.

Testes

Testosterone

Both 1 & 2

None Of These

12 / 15

What do you understand by Puberty?

The age at which the reproductive organs of boys and girls become non functional.

The age at which the reproductive organs of boys and girls become functional.

It is a process of fertilisation in boys and girls.

None of these

13 / 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

14 / 15

The site of fertilization of the ovum takes place is

Ovaries

Fallopian Tube

Callopian Tube

None Of These

15 / 15

Blocking of fallopian tubes prevents ?

Pregnancy

Sexually transmitted diseases

Genetic uniformity

None Of These

Your score is

0%

Science : Ch 08 – How do Organisms Reproduce

Archives

Categories