Question # 1

____________ is a co-enzyme.

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NAD⁺

NADH

AMP

None

Euglena is included in kingdom:

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Monera

Protista

Fungi

Plantae

Which of the following does not occur in the oral cavity?

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Lubrication of the food

Beginning of protein digestion

Breaking the food into small fragments

All of the above do occur in the oral cavity

Where are the villi found?

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Esophagus

Stomach

Small intestine

large intestine

Scientists noticed that persons living near marshy areas were most likely suffered from malaria. They will considered this fact as

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Problem

Hypothesis

Observation

Experiment

Loss of species makes ecosystem less ____________ and less productive.

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Beneficial

Resilient

Interactive

None of these

Plants form beneficial relationships with soil bacteria fungi in order to:

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Avoid diseases

Absorption of minerals

Transpire more water

All of these

The class of man is:

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Insecta

Mammalia

Magnoliopsida

Proteobacteria

Humans belong to a species called ____________

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Homo

Sapiens

Both and b

None of these

Mendal experimented on ____________ plants.

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Potato

Pea

Rose

Pine

Each centriole contains .................. triplets of microtubules.

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Five

Seven

Nine

Eleven

The components of coordination action are:

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two

three

five

seven

Which plant is not found in the form of underground bulb?

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Garlic

Tulip

Onion

Lily

Biospher surrounding the earth is about:

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17 km

18 km

19 km

20 km

Which of the following is the abiotic component of an ecosystem?

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producers

Herbivores

Carnivorse

Oxygen

The characteristics which appear in an organism are called:

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Genotype

Karyotype

Phenotype

Body type

The points of attachment of genes on chromosomes are called.

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Transcription

Translation

Loci

Phenotype

Which statements is not true about cartilage?

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calcium and phosphate minerals are absent in the matrix of cartilage

The cells of cartilage are called chondrocytes

blood veessels enter into cartilage

cartilage is less strong than bone

E.Coli becterium was made in:

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1970 A.D

1977 A.D

1975 A.D

1980 A.D

The work of genetic engineering started in :

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1944

1955

1945

1943

Which organism is used in fermentation for the preparation of glycerol:

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Aspergillus

Saccharomyces

Bacillus

Streptococus

The number of axons present in sensory neuron is:

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one

two

three

many

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