Question # 1

In every proportion of two ratios are

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Two terms

Three terms

Four terms

Five terms

An example of macromolecule is.

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Water

Glucose

Protein

NaCl

Which one of the following is without nuclear membrane?

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Animilia

Plantae

Monera

Protista

Micronutrients of plants are:

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Available in the soil in small amounts

Required by plants in small amounts

Small molecules required by plants

Useful, but not required by the plants

One complete cardiac cycle takes ......... second .

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0.2 sec

0.5 sec

0.8 sec

0.9 sec

................. in blood stream plays an important role in blood clotting.

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Calcium

Phosphorus

Nitrogen

Potassium

Exchange of water vapours and gases occurs in leaf through:

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Stomata

Epidermics

Xylem

Phloem

Ribosomes are constructed in the ______.

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Endoplasmic reticulum

Nucleoid

Nucleolus

Nuclear pore

Which is composed of only protein?

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Viruses

Prions

Viroids

B and C

Unicellular is.

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Rabbit

Euglena

Horse

Frog

When a plant was kept in darkness for many days, many days, its leaves turned yellow. Why?

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Leaves could not get oxygen and so there was no photosynthesis

Leaves could not get light and so there was no respiration

Leaves could not get oxygen and so there was no respiration

Leaves could not get light and so there was no photosynthesis

______is unable to see during day time.

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Rabbit

Owl

Cat

Human

Which type of neuron present inside the central nervous system?

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Sensory neuron only

Motor neuron only

Sensory and motor neuron only

Inter Neuron only

All of these are hormones except:

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Insulin

Thyroxin

Glucagon

Pepsinogen

An organism has two different alleles for a single trait. Its genotype is said to be:

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Homozygous

Heterozygous

Holozygous

Hemizygous

The first step of genetic engineering is:

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Growth of the genetically modified organism

Transfer of the recombinant DNA into the host organism

Isolation of the gene of interest

Insertion of gene into a vector.

The organisms expressed physical trait such as seed colour or pod shape is called:

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Genotype

Phenotype

Karyotype

Bodytype

In a nucleosome , DNA is wrapped around protein named:

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Insulin

Interferon

Histone

haemoglobin

In man the system of gaseous exchange is:

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digestive system

respiratory system

nervous system

excretory system

The latest method of vegetative propagation is:

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Budding

Bulbs

Cuttings

Cloning

Scientists prepared human insulin by inserting the insulin gene in bacteria in:

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1970

1978

1990

2002

The type of arthritis in which the joints become totally immoveable:

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osteo-arthritis

gout

rheumatoid

none of these

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