Question # 1

For mitosis, the chromosomes of the cells are duplicated during interphase. When do the chromosomes duplicated for meiosis?

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Before meiosis 1

Before meiosis 2

During Meiosis 1

Do not duplicate

Ronald Ross experimented on ____________ and ____________mosquitoes.

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Culex

Anopheles

Both

None

A bacterial cell contains about _______________

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10,000

20,000

30,000

40,000

Which organelles have their own DNA?

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Chloroplast

Mitochondria

Both

None

Example of Apoptotic process is ............... .

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Disappearance of tadpole tail

Disappearance of web human hand

Formation of fingers of hand

All of the above

which enzyme converts lipids into fatty acid and glycerol?

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Lipase

Amylase

Pepsin

Trypsin

Chromatids get separated form each other during:

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Prophase

Telophase

Anaphase

Metaphase

A patient with blood group A can be given the blood of donor who has;

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Blood group A or AB

Blood group A or O

Blood group A only

Blood group O only

ATP has ........... phosphate group.

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Two

Three

Four

Five

.............. set up the largest land empire ever known.

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Aristotle

Alexander

Laveran

Genghis khan

Cinchona tree is also known as.

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Guina guina

Quina Quina

Both

None

Reduce the possibility of infection on skin :

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Disinfectants

Antibiotics

Antiseptic

Digitalis

The end of the skeletal muscle attached with ammoveable bone is called:

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Origin

Tendon

Ligament

Insertion

The process of guttation occurs in the plant.

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Pine

Grass

Keekar

Rubber plant

Charles Darwin proposed that organisms produce many more offspring than can possible survive on the limited amount of resources available to them. According To Darwin, the offspring that are most likely to survive are those that.

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Are born first and grow fastest

Are largest and most aggressive

Have no natural predators

Are best adapted to the environment.

The drug which is obtanied from animals is.

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Morphine

Aspririn

Antitoxins

Tuncher iodine

When did scientists become able to cut and unite DNA?

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1945

1924

1944

1970

Aspirine belongs to the group of drugs :

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Synthetic Drugs

Drugs from plant and fungi

Drugs from minerals

Drugs from Bacterai

Interferon was produced by genetically modified micro organisms in:

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1980

1944

1990

1970

In every kidney no. of Nephrons is about.

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10 Lac

5 Lac

More than 10 Lac

More than 5 Lac

Sedation thinking can develop by using for a long time:

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Sadatives

Morphine

Antibiotics

Merijuana

A group of species of same species living in a particular area is called:

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Population

Community

Aboitic factor

Ecology

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