Agriculture - Mock Test 220

Question 2191

A plant breeder is interested to control pollination to?

A) Prevent cross-pollination B) Control pollination C) None of these D) Both of these

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Question 2192

A plant bearing both male and female flowers is said to be?

A) Dioecious B) Monoecious C) Polygamous D) None of above

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Question 2193

A mixture of two immiscible liquids shaken up is?

A) Saturated solution B) A suspension C) An emulsion D) Colloid

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Question 2194

A method of breeding most commonly used when the desired variation is required to be induced in a vegetatively propagated crop is?

A) Polyploidy B) Pedigree method of breeding C) Mutation breeding D) Backcross method of breeding

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Question 2195

A mendelian population means?

A) Self-pollinated population B) Inbred population C) Random-mating population D) Hybrid population

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Question 2196

A male gametophyte in angiosperms contains?

A) One gametes only two male gametes only B) Two male gamete only C) Two male gametes and one tube nucleusnucleus D) One male gamete and one tube nucleus

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Question 2197

A male child would be born to parents if?

A) The father is healthier than the mother B) The mother eats well during pregnancy C) The genetic composition of the child includes XY combination of chromosomes D) The genetic composition of the child includes XX combination of chromosomes

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Question 2198

A maintainer line is?

A) Male fertile and can restore fertility B) Male sterile but can restore fertility C) Male sterile but cannot restore fertility D) Male fertile but cannot restore fertility

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Question 2199

A large unit of natural vegetation in an area under identical condition (climatic) is called?

A) Plant formation B) Association C) Community D) Climax

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Question 2200

A hybrid is always?

A) Heterozygous B) Homozygous C) Both of the above D) Often homozygous

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