Question # 1

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

Selective weed killer

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2-4 D

I AA

NAA

IPA

A probe is a single stranded nucleotide sequence that will hybridize in to certain piece of.

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Amino acids

DNA

Carbohydrate

RNA

Myoglobin has a special function in muscle tissue:

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It breaks down glycogen

It is a contractile protein

It holds a reserve supply of oxygen in the muscle

None of these

In turner syndrome the affected person have set of chromosomes.

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XO

XXY

XYY

XXO

A sequence of three nucleotides in mRNA is called.

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Cistron

Codon

Anticodon

Templet

The number of sets of microtubules originate from each pair of centriole is.

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03

04

05

06

Fertilization of the ovum normal occurs:

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In the upper thrid of the oviduct

In the lower thrid of the oviduct

In the uterus

Can take place succcessfully in vegina

The sites where nerve impulse is transmitted from the nerve endings to the skeleton muscle cell membranes are the:

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Neucromuscular junctions

Sarcomeres

Myofilaments

Z discs

Which one of the following would cause the hardy-weinberg principle to be inacurate?

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The size of the population is very large.

Individual mate with one another at random

Natural selection is present

There is no source of new copies of alleles from outside the population

The category of plants that has adaptation of small and thick leaves to limit water loss is called.

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Hydrophytes

Xerophytes

Aygrophytes

Mesophytes

The human embryo is referred to as the fetus from beginning of.

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3rd month

3rd week

6th months

6th week

Urea is produced in

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Lungs

Liver

Kidney

Pancreas

Galls are growth on a plant that are induced by

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Ticks

Protozoons

Parasites

Fungi

The fishes which drink large amount of sea water and excrete concentrated urine are.

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Cartilaginous fishes

Bony fishes

Lung fishes

Jawless fishes

Lithosphere includes.

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Air

Water

Gases

Earth soil

No of chromosomes in Honey bee are.

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6

20

32

40

In chordates the healing of fracture and repair of a skin wound are some other examples of

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Reformation

Regeneration

Rejuvenation

Renaissance

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