Question # 1

The male gametophyte of an angiosperm is the

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Anther

Embroyo sac

Microspore

Germinated pollen grain

Phosphatidyl choline is one of the common

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Phospholipid

Glycolipid

Sphingolipid

Terpenoid

During respiratory chain co enzyme Q is oxidized.

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Cytochrome a

Cytochrome b

Cytochrome c

Cytochrome a3

The uncontrolled production of white blood cells result in

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Oedema

Leucaemia

Thaiassaemia

Asthma

Most of the uptake of water and minerals from soil takes place through

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Roots

Root hair

Epidermal layers

Root cap

Lytic cycle completion occurs about

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15 min

25 Min

35 Min

05 Min

Pleura is double layered thin membrane that covers.

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Heart

Liver

Lungs

Kidneys

the hypothesis that plants split water as a source of hydrogen was given by.

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Van Niel

Kreb

Pasteur

Calvin

Hemoglobin Molecule in most cases, does not have beta chain in it, instead F chain is present in

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Oedema

Lecuaemia

Thalasemia

Anaemia

_________ is an anaerobic bacterium.

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E Coli

Pseudomonas

Spirochete

Campylobacteria

Which one is not the layer or wall of heart.

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Pericardium

Myocardium

epicardium

endocardium

In nature P 730 to P 660 conversion occurs in the

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Day

Dark

Evening

Dawn

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

Acute forms of arthritis usually result from

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Bacterial invasion

Viral inversion

fungal invasion

Severe injury

Which of the following statements conserning the role of Ca⁺² inthe contraction of skeletal muscle is correct?

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The mitochondria act as a store of Ca⁺²for the contractile process

Ca⁺²entry across the plasma membrane is important in sustaining the contraction of skeletal muscle

A rise in inter cellular Ca⁺²allows actin to interact with myosin

The tension of a skeletal muscle fiber is partly regulated by G proteins muscle

Animals of the group of flatworms have simple tubular secretory system called of

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Kidney

Nephron

Protonephridia

Nephridia

The condensation of chromosomes reaches to its maximum during.

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Pachytene

Zygotene

Leptotene

Diakinesis

The amount of energy left plants have met their respiratory needs is net eprimary production , which shows up as plant:

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Respiration rate

Photosynthesis

Biomass

Food reserve

Study of aging is called

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Teratology

Gerontology

Cell biology

Paleontology

Mature bone cells are called as

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osteocytes

Chondrocytes

Osteoblasts

Blastocytes

Microtubules are composed of protein, tubulin and traces of.

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DNA

Glycolipid

RNA

Phospholipid

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

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