Sexual Reproduction Test
Sexual Reproduction
This is online test 03 for CBSE class 12 Biology Reproduction in Organism (Sexual Reproduction).. There are 10 questions in this test with each question having around four answer choices.
Questions & Answers
1
Megaspore mother cell undergo reduction division to form _____________ megaspores
- AOne
- BFourCorrect
- CTwo
- DThree
2
In majority of sexually reproducing organism the gametes produced are of two morphologically distinct types. These gametes are called
- AAntrhozoids
- BArchegonia
- CHomogemetes
- DHetrogemetesCorrect
3
In most of the aquatic organismSyngamy occurs in the water outside the body of the organism. This type of gametic fusion is called
- AInternal fertilisation
- BExternal fertilisationCorrect
- CSelf-fertilisation
- DCross fertilization
4
In embryogenesis process, cell division increase the number of cells while cell differentiation help in
- AFormation of new features
- BIncrease in size
- CFormation of specialised tissue and organsCorrect
- DModification of existing characters
5
Every sexually reproducing organism, including human being begin life as a single cell called
- AGamete
- BEmbryo
- CZygoteCorrect
- DSpore
6
Sexual reproduction do not involves
- AGenerally two parents
- BHaploid gametes
- CFusion of gametes
- DFaster mode of reproductionCorrect
7
During oogenesis, each diploid oocyte produces
- ATwo functional egg and two polar bodies
- BOne functional egg and three polar bodiesCorrect
- CFour functional ova
- DFour functional polar bodies
8
Continued self-pollination results in
- AIncompatibility from self-pollination
- BInfertility
- CHomozygous for its charactersCorrect
- DHeterozygous for its characters
9
Stigma of pistil receives the pollen grain during pollination, the pollen grains are produced inside
- APistil
- BOvule
- COvary
- DAntherCorrect
10
Fusion of one male gametes with egg is termed as
- AEndosperm
- BSyngamyCorrect
- CTriple fusion
- DBinary fission