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TN 12th Computer Applications மின்னணு செலுத்தல் முறைகள் Sample Question Papers Study Material - QB365 Set A

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TN 12th Computer Applications மின் - வணிகம் Sample Question Papers Study Material - QB365 Set A

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TN 12th Computer Applications திறந்த மூல கருத்துருக்கள் Sample Question Papers Study Material - QB365 Set A

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12th Standard English Medium Biology (Botany) Subject Classical Genetics Creative 1 Mark Questions with Solution Part - I

Published on: 21/06/2021

QB365 provides detailed and simple solution for every Creative Questions in class 12 Biology Subject. It will helps to get more idea about question pattern in every Creative questions with solution.

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Std: 12th Standard - Biology

chapter: - Creative Questions

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Questions:

Multiple Choice Question

5 x 1 = 5

The 1 : 2 : 1 ratio of co-dominance process Mendel's ___________

(a)

Law of dominance

(b)

Law of recessiveness

(c)

Law of segregation

(d)

Law of independent assortment

'Gametes are never hybrid' is concluded by ___________

(a)

Law of dominance

(b)

Law of segregation

(c)

Law of independent environment

(d)

Law of lethality

In case of co-dominance, monohybrid F₁ __________ is 1: 2: 1

(a)

Genotype ratio

(b)

Phenotype ratio

(c)

Both genotype & Phenotype ratio

(d)

Ratio is wrong

Assertion (A): Codominance is an example of intragenic interaction
Reason (R): Interaction takes place between the alleles of the same gene

(a)

A and R are correct R explains A

(b)

A and R are incorrect

(c)

A is correct R is incorrect

(d)

A is incorrect R is correct

Which is not a correct statement?
(A) Variations are the raw materials for evolution
(B) Variations provide genetic material for natural selection
(C) It helps the individual to adapt to the changing environment
(D) Variations allow breeders to improve the crop field

(a)

A and D

(b)

B only

(c)

C and D

(d)

none of he above