Agriculture - Comprehensive Mock Test 14

Question 131 Medium

When two genes show independent segregation, a genotype AaBb will produce ______ types of gametes?

A) 4 B) 3 C) 2 D) 1

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Question 132 Medium

The theory of 'Natural Selection' was put forward in?

A) 1850 B) 1859 C) 1869 D) 1865

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Question 133 Easy

The number of chromosome in common wheat is?

A) 36 B) 38 C) 48 D) 42

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Question 134 Easy

The DNA is made up of the following four bases?

A) ATYG B) ATGC C) ATUC D) ATUG

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Question 135 Medium

Tetraploid potato has 48 chromosomes, whereas ordinary piploid species have _______ ?

A) 34 B) 24 C) 14 D) 10

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Question 136 Medium

It has been estimated that a miize tassel produces at least _____ pollen grains for each kernel?

A) 5,000 B) 15,000 C) 25,000 D) 35,000

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Question 137 Medium

In sorghum somatic chromosome number is 20. What would be its chromosome number in the endosperm?

A) 10 B) 20 C) 30 D) 40

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Question 138 Medium

If the cells of a plant root tip contain chromosomes will be found in its pollen grains?

A) 4 B) 8 C) 16 D) 32

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Question 139 Hard

If parents differ in ten gene pairs, no selection is done; six back crosses will produce a population having ______ per cent homozygous and identical individuals to recurrent parent at all ten loci?

A) 65 B) 75 C) 85 D) 95

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Question 140 Medium

How many cells will be produced from a cell if the cell divides meiotically?

A) 1 B) 2 C) 3 D) 4

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