Question # 1

If a man of M blood group marries a woman of N blood group all their childern will have blood group

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MM

NN

MN

None of these

The phase of meiosis during which nuclei disappear int he cell is called.

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Pachytene

Leptotene

Zygotene

Diplotene

If an mRNA is synthesized with the differnt codons, what is the minimum number of amino acids in the protein that is formed by the mRNA?

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64 Amino acids

62 Amino acids

60 Amino acids

None of them

Adenine and guanine are called

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Purines

Pyrmidines

Both a & b

None of these

All are related to medulla oblongata, except.

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Long term memory

Breathing rate

Blood pressure

Heart beat rate

Animals excreting urea are called.

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Ammonotelic

Ureotelic

Uricotelic

Aminotelic

In living thing, the behavior activities occurs at regulars intervals which are called.

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diumal rhythms

Blorhythms

Circannual

Orcadian

Contractile vacuoles are found in.

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Plants

Fresh water protozoa

Marine plants

Pino cytosis

Unspecialized cells, neoblast are always present in body of.

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Salamander

Planaria

Lizard

Newt

Mature bone cells are called as

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osteocytes

Chondrocytes

Osteoblasts

Blastocytes

Labour pains are induced by a hormone.

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ACTH

Oxytocin

Progesterone

Corticosteroid

The removal of sebum on the skin is for

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Nutrition

Excretion

Protection

Thermoregulation

Microtubule are composed of

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Myosin

Troponin

Actin

Tubulin

In the double helix of DNA adenine forms two hydrogen bonds with

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Thymine

Guanine

Cytosine

Uracil

Number of ammonia molecules required to produce one molecule of urea is.

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1

2

3

4

Okazaki fragments are about 1000 - 2000 nucleotides long in

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Prokaryotes

Eukaryotes

Both a & b

None of these

Which strand of DNA is transcribed.

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coding strand

Sense strand

Antisense strand

Conservative strand

DNA finger prints can also be used as

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Crime evidence

Forensic evidence

Litigation evidence

Offence evidence

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