The females of placental mammals exhibit cyclical changes in the activities of ovaries and accessory ducts as well as hormones during the reproductive phase. In non-primate mammals it is known as

A. Oestrus cycle

B. Menstrual cycle

C. Reproductive cycle

D. Sexual cycle

Subtopic:  Sexual Reproduction |
 86%
From NCERT
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There are various types of reproduction. The type of reproduction adopted by an organism depends on:

A.The habitat and morphology of the organism

B.Morphology of the organism

C.Morphology and physiology of the organism

D.The organism’s habitat, physiology and genetic makeup

Subtopic:  Reproduction |
 79%
From NCERT
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Non-flagellate spores are called conidia. In which organism they are seen?

A. Penicillium

B.  Hydra

C. Chlamydomonas

D. Amoeba

Subtopic:  Asexual Reproduction |
 90%
From NCERT
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Development of zygote taking place outside the body is called?

A. Viviparous

B. Oviparous

C. Omnivorous

D. Surrogacy

Subtopic:  Events during Sexual reproduction |
 80%
From NCERT
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Parthenogenesis is the development of an organism directly from:

A.Female gametes

B.Vegetative cells

C.Fertilized ovum

D.None

Subtopic:  Events during Sexual reproduction |
 74%
From NCERT
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Which type of stem modification is seen in banana?

A.Stem tuber

B.Bulb

C.Corn

D.Rhizome

Subtopic:  Asexual Reproduction |
 81%
From NCERT
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In which of the following, gametes are released in the surrounding medium

A.Fishes

B.Amphibians

C.Earthworm

D.Both A and B

Subtopic:  Events during Sexual reproduction |
 89%
From NCERT
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Find the monoecious plant

A.Coconut

B.Cucurbits

C.Both A and B

D.Papaya

Subtopic:  Sexual Reproduction |
 83%
From NCERT
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If the gametes are similar in their appearance they are called as

A.Anisogametes

B.Isogametes

C.Homogametes

D.Both B and C

Subtopic:  Events during Sexual reproduction |
 78%
From NCERT
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In which of the following mammal Oestrus cycle is absent:

A.Cow

B.Horse

C.Monkey

D.Rabbit

Subtopic:  Sexual Reproduction |
 86%
From NCERT
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