Biology - Mock Test 42

Question 411

The parthenogenesis refers to a fruit

A) with seeds after pollination B) without seeds after pollination C) with viable seeds after fertilization D) seedless without fertilization

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Question 412

A mature sperm has

A) a pair of flagella B) a nucleus, an acrosome and a centriole C) a nucleus, an acrosome, a pair of centrioles D) a nucleus, an acrosome, a pair of centrioles and a tail

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Question 413

Fertilization is

A) union of diploid spermatozoan with diploid ovum to form diploid zygote B) union of haploid sperm with haploid ovum to form haploid zygote C) union of haploid sperm with haploid ovum to form diploid zygote D) union of diploid sperm with haploid ovum to form triploid zygote

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Question 414

Dicot embryo consists of

A) radicle and plumule B) radicle, plumule, cotyledons and sometimes endosperm C) radicle, plumule, cotyledons and tegmen D) radicle, plumule, cotyledons, tegmen and testa

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Question 415

Freshly released human egg has

A) one Y-chromosome B) one X-chromosome C) two X-chromosomes D) one X-chromosome & one Y-chromosome

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Question 416

Identify the wrong statement regarding post fertilisation development

A) The ovary wall develops into pericarp B) The outer integument of ovule develops into tegmen C) The fusion nucleus triple nucleus develops into endosperm D) The ovary develops into fruit

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Question 417

A modification of bud that can bear leaves flowers, fruits & branches is

A) thorn B) spine C) prickle D) trichome

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Question 418

A root is adventitious when it is

A) swollen B) growing in marshy places C) formed from plumule D) modified for storage

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Question 419

The main difference between animal and plant cell is that

A) plant cell lacks rigid cell wall B) animal cell lacks rigid cell wall C) plant cell possesses small vacuoles D) animal cell possesses large vacuoles

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Question 420

In Rhizopus, sexual fusion takes place between

A) two gametangia B) two gametes C) two hyphae D) two sporangia

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