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Question-1 Fission and fragmentation are processes of asexual reproduction in which the body of the mother breaks into daughter individuals. A difference between the two is

(A) Fission for unicellular organisms but fragmentation for multicellular organisms	(B)Fission for multicellular organisms where as fragmentation for unicellular organisms
(C)Fission occurs only in parasites but fragmentation in both parasites and free living organisms.	(D)Fission occurs during favourable conditions where as fragmentation occurs during unfavourable conditions.

Question-2 Reconstruction of the entire body from isolated body cells is

(A) Budding	(B)Reproduction
(C)Sporulation	(D)Regeneration

Question-3 What happens if a variation is drastic?

(A) the new DNA copies will not work	(B)the new individual will survive
(C)the variations help to form a new species	(D)the chances of evolution are more

Question-4 What is NOT true for cloning?

(A) Young one is produced from a single cell of the parent.	(B)Cloned animal is the exact copy of parent.
(C)Male and female gamete is fused to form zygote	(D)Cloned animal is developed from adult cell rather than embryo

Question-5 HIV impairs our _______ system

(A) Reproductive system	(B)Immune system
(C)Respiratory system	(D)Digestive system

Question-6 Which one of the following is not a part of the organ system to which other three belong?

(A) Seminiferous tubules	(B)Fallopian tube
(C)Epididymis	(D)Vasdeferens

Question-7 What is NOT true for variations?

(A) Variations provide chance for survival in most cases.	(B)Variations are the raw materials for evolution.
(C)Variations produce new species.	(D)Variations are all drastic so not preferable.

Question-8 Match the following.
Budding                    A - Spirogyra
Fragmentation           B-Paramecium
Multiple Fission        C - Bread mould
Binary fission            D - Plasmodium
Sporulation                E - Yeast

(A) 1 -E, 2 - A, 3 - D, 4 - B, 5 - C	(B)1 - A, 2 - B, 3 - C, 4 - D, 5 - E
(C)1 - E, 2 - D, 3 - C, 4 - B, 5 - A	(D)1 - B, 2 - C, 3 - A, 4 - E, 5 - D

Question-9 In triple fusion the three cells fuse inside the ovary to form endosperm. These 3 cells are.

(A) egg cell, 1 male gamete and 2 polar nuclei	(B)egg cell and 2 polar nuclei
(C)1 male gamete and 2 polar nuclei	(D)2 male gametes and 2 polar nuclei

Question-10 The parts of carpel or pistil are

(A) another, style and stigma	(B)style, stigma and ovary
(C)anther, filament and ovary	(D)style, filament and ovary

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Std 10

Maharashtra (English Medium)

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