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Physics Chemistry Botany Zoology

Question bank:

Which of the following conclusions is from industrial melanism?

Camouflage causes the white moths to get caught by predators more even in rural areas during industrialisation.
During industrialisation, white variant of moths got wiped out completely in urban areas.
During industrialisation, lichen will increase in number.
In a mixed population, those that can better adapt, survive and increase in population size.

Which of the following is not the example of evolution by anthropogenic actions?

Herbicide resistant varieties
Antibiotic resistant microbes
Darwin Finches
Different breeds of dogs

Which of the following is not Australian marsupial?

Numbat
Lemur
Flying Phalanger
Tasmanian tiger cat

Which of the following is not Australian marsupial?

Spotted cuscus
Bobcat
Sugar glider
Koala

Which of the following is placental mammal?

Bandicoot
Numbat
Wombat
Bobcat

Which of the following placental mammals appears to be similar to a corresponding marsupial NUMBAT?

Anteater
Bobcat
Mole
Wolf

Evolution is not

a stochastic process
Based on chance events in nature
Based on chance mutation in the organisms
Directed process in the sense of determinsm

Which of the following statements is not true if we consider postulates of Darwinian theory of evolution?

Evolution by natural selection would have started when cellular forms of life with similarities in metabolic capabilities originated on Earth
The rate of appearance of new forms is linked to the life cycle or the life span.
Fitness is based on characteristics which are inherited.
Adaptive ability is inherited.

Fitness is not

Something for which nature selects
End result of the ability to adapt and get selected by nature
Based on characteristics which are inherited
Considered when cellular forms of life were originated.

Two peaks will be observed in which of the operation of natural selection?

Disruptive
Directional
Stabilising
Both A and B

Peak getting higher and narrower is observed in which of the operation of natural selection?

Disruptive
Directional
Stabilising
Both A and B

What will be the frequency of homozygote dominant in a population of triploid organisms.

p×p×p
AA
p
P

If the population of a place has a certain character which is recessive in as many as 100 individuals. Find the value of q if total number of individuals are 1000

0.1
0.7
0.3
1

If 900 people make a population such that 300 are albino. Calculate the frequency of carriers?

42
44
48
49

If p=0.8 calculate q

0.8
0.2
6.4
0.4