Biology - Mock Test 44

Question 431

Gemmule formation in Sponges is helpful in

A) parthenogenesis B) sexual reproduction C) only dissemination D) asexual reproduction

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Question 432

Which type of reproduction is found in Hydra

A) Polyembryony B) Sexual and asexual C) Parthenogenesis D) Encystment

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Question 433

The croaking sound made by frog is

A) hunger call B) just a musical note C) signaling call of danger D) sex call for female partner

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Question 434

Differentiation in morphology of the two sexes of the same species is called

A) hermaphrodite B) heteromorphosis C) sexual dimorphism D) unisexual

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Question 435

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

A) nodes are shorter than internodes B) nodes have meristematic cells C) nodes are located near the soil D) nodes have non-photosynthetic cells

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Question 436

Amoeba and Yeast reproduce asexually by fission and budding respectively because they are

A) microscopic organisms B) heterotrophic organisms C) unicellular organisms D) uninucleate organisms

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Question 437

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

A) offsprings do not possess exact copies of parental DNA B) DNA of only one parent is copied and passed on the offsprings C) Offsprings are formed at different times D) DNA of parents and offsprings are completely different

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Question 438

Stem cuttings are commonly used for the propagation of

A) banana B) rose C) mango D) cotton

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Question 439

One of the plants using Foliar adventitious budsis a method for vegetative propagation is

A) banana B) ginger C) Bryophyllum D) Calocasia

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Question 440

Among the following which one is not a method of vegetative propagation

A) Budding B) Layering C) Sowing D) Tissue culture

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