Free Printable Reproduction in Organisms

1.

Which of the following groups is formed only of the hermaphrodite organisms?

a)

(a) Earthworm, tapeworm, housefly, frog

b)

(b) Earthworm, tapeworm, sea horse, housefly

c)

(c) Earthworm, leech, sponge, roundworm

d)

(d) Earthworm, tapeworm, leech, sponge

2.

Which of the following options shows bisexual animals only?

a)

(a) Amoeba, sponge, leech

b)

(b) Sponge, cockroach, Amoeba

c)

(c) Earthworm, sponge, leech

d)

(d) Tapeworm, earthworm, honeybee

3.

Read the following statements and select the incorrect one.

a)

(a) Cucurbits and coconuts are monoecious plants.

b)

(b) Papayas and date palms are dioecious plants.

c)

(c) Leeches and tapeworms are bisexual animals.

d)

(d) Sponges and coelenterates are unisexual animals.

4.

Meiosis does not occur in

a)

(a) asexually reproducing diploid individuals.

b)

(b) sexually reproducing haploid individuals.

c)

(c) sexually reproducing diploid individuals.

d)

(d) all of these.

5.

A diploid parent plant body produces ________ gametes and a haploid parent plant body produces ________ gametes.

a)

(a) diploid, haploid

b)

(b) haploid, diploid

c)

(c) diploid, diploid

d)

(d) haploid, haploid

6.

In maize, a meiocyte has 20 chromosomes. What will be the number of chromosomes in its somatic cell?

a)

(a) 40

b)

(b) 30

c)

(c) 20

d)

(d) 10

7.

In flowering plants, both male and female gametes are non-motile. The method to bring them together for fertilisation is:

a)

(a) water

b)

(b) air

c)

(c) pollination

d)

(d) apomixis

8.

In which of the following plants, sepals do not fall off after fertilisation and remain attached to the fruit?

a)

(a) Brinjal

b)

(b) Cucumber

c)

(c) Papaya

d)

(d) Bitter gourd

9.

The wall of the ovary forms

a)

(a) pericarp.

b)

(b) fruit wall.

c)

(c) fruit.

d)

(d) both (a) and (b).

10.

The term ‘clone’ cannot be applied to offspring formed by sexual reproduction because:

a)

(a) offspring do not possess exact copies of parental DNA

b)

(b) DNA of only one parent is copied and passed on to the offspring

c)

(c) offspring are formed at different times

d)

(d) DNA of parent and offspring are completely different

11.

The male gametes of rice plant have 12 chromosomes in their nucleus. The chromosome number in the female gamete, zygote and the cells of the seedling will be, respectively:

a)

(a) 12,24,12

b)

(b) 24,12,12

c)

(c) 12, 24, 24

d)

(d) 24, 12, 24.

12.

Appearance of vegetative propagules from the nodes of plants such as sugarcane and ginger is mainly because:

a)

(a) nodes are shorter than inter-modes.

b)

(b) nodes have meristematic cells.

c)

(c) nodes are located near the soil.

d)

(d) nodes have non-photosynthetic cells.

13.

There is no natural death in single celled organisms like Amoeba and bacteria because:

a)

(a) they cannot reproduce sexually.

b)

(b) they reproduce be binary fission.

c)

(c) parental body is distributed among the offspring.

d)

(d) they are microscopic.

14.

There are various types of reproduction. The type of reproduction adopted by an organism depends on:

a)

(a) the habitat and morphology of the organism.

b)

(b) morphology of the organism.

c)

(c) morphology and physiology of the organism.

d)

(d) the organisms habitat, physiology and genetic makeup.

15.

Which of the following is a post-fertilization event in flowering plants?

a)

(a) Transfer of pollen grains

b)

(b) Embryo development

c)

(c) Formation of flower

d)

(d) Formation of pollen grains

16.

The growth phase of an organism before attaining sexual maturity is referred to as:

a)

(a) juvenile phase.

b)

(b) vegetative phase.

c)

(c) both (a) and (b).

d)

(d) none of these.

17.

Select the monocarpic plant out of the following.

a)

(a) Bamboo

b)

(b) Litechi

c)

(c) Mango

d)

(d) All of these

18.

Oestrous cycle is reported in:

a)

(a) cows and sheep.

b)

(b) humans and monkeys.

c)

(c) chimpanzees and gorillas.

d)

(d) none of these.

19.

Which of the following animals show menstrual cycle?

a)

(a) Gorillas and chimpanzees

b)

(b) Monkeys and humans

c)

(c) Orangutans and monkeys

d)

(d) All of these

20.

Single-celled animals are said to be immortal because

a)

(a) they grow indefinitely in size

b)

(b) they can tolerate any degree of change in temperature

c)

(c) they can reproduce throughout their life span

d)

(d) they continue to live as their daughter cells.

21.

Which one of the following processes results in the formation of clone of bacteria?

a)

(a) Regeneration

b)

(b) Budding

c)

(c) Binary fission

d)

(d) Fragmentation

Reproduction in Organisms

Total questions: 21

Worksheet time: 11mins

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