Question # 1

A man bolld group A marries a women of blood goroup B and they have one child. Which one of the following statements abo ut the child's blood is correct?

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It could be group A only

It could be group AB only

It could be group A or Group B only

It could be any of the groups A,B,AB, O

MN blood group is example of

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Complete dominance

Co- dominance

Over dominance

Incomplete dominance

the active uptake of sodium in the loop of Henle is provided by the actioon of hormone

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Cortisone

Testosterone

Aldosterone

Progesterone

Opening of flower bud follows.

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Photonasty

Hyponasty

Epinasty

Haptonasty

Histones are positively charged due to an abundance of the basic amino acids

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Arginine

Lysine

Both a & c

Alanine

The animal that is caought and eaten is called.

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Prey

Parasite

Predator

Host

A clear picture of the genetic basis of sex determination emerged after the discovery of

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Autosomes

X chromosomes

Sex chromosomes

Y chromosomes

In sickle cell anemia code for glutamic acid is replaced by.

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Leucine

Valine

Proline

Histidine

Adult transgenic tobacco plants glowed when sprayed with the substrate.

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Luciferin

Myoglobin

Hemoglobin

Methionine

In which of the following situations would evoluation be lowest for an inter breeding population?

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Migration Selection Pressure Variation(Due to Mutation) Absent Low Low

Migration Selection Pressure Variation(Due to Mutation) Absent High High

Migration Selection Pressure Variation(Due to Mutation) High Low High

Migration Selection Pressure Variation(Due to Mutation) High High Low

In terrestrial plants major mechanical stress is imposed by.

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Gravity

Temperature

Wind

Soil

Which of the following NOT dispose off a type of waste directly to the environment?

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Digestive system

Respiratory system

Circulatory system

Urinary system

The primary structure for eliminating waste products in man are

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Liver

Kidneys

Stomach

Both a & b

A full set of genes of an individual is called.

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Genome

Genotype

Karyotype

Dominance

The removal of sebum on the skin is for

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Nutrition

Excretion

Protection

Thermoregulation

Etiolated plants grow without.

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Water

Light

O2

CO2

Darwin's origin of species was published in.

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1840

1859

1865

1890

Walter Fleming first discovered chromosomes in the dividing cells of.

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Frog larvae

Sea urchin larvae

Insect larvae

Salamander larvae

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