Question # 1

Feeding on dead and decaying matter such as dead leaves in the soil or rooting tree trunks is called

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Symbiotic nutrition

Parasitic nutrition

Saprophytic nutrition

All of above

Air,water,food,land,forests and wild life are

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Renewable resources

None renewable resources

Both A and B

None of these

Enzymes are composed of

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Carbohydrates

Lipids

Amino acids

All of above

Primary source of carbohydrates are

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Animals

Plants

Both a and b

None

Respiratory protein found in all aerobic species is

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Cytochrome a

Cytochrome b

Cytochrome C

All of above

Any substance that supplies the body with elements necessary for metabolism is called

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Nutrition

Excretion

Respiratory substance

Circulatory substance

Which of the following method of reproduction is asexual

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Parthenogenesis

Budding

Vegetative propagation

All of above

Penicillium a fungus has only______pair of chromosomes

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1

14

23

3

The part of earth inhabited by living organisms and non-living components is called

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Ecosystem

Biosphere

Habitat

Niche

Air is polluted due to industrialization and automobiles polluted air does not contain which one of them

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CO

Hydrocarbons

Oxides of N 8 sulpher

CO₂

Which of the following fail to express them selves in the heterozygous state

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Dominant alleles

Recessive alleles

Homozygous phenotype

Heterozygous phenotype

The Elements found in living organisms are known as

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Bioelements

Molecules

Major elements

None

Water regulation in fresh water ciliates is controlled by special organelle called

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Food vacuole

Contractile vacuole

Cytoplasm

Nucleus

Which of the following is a artificial asexual reproduction in plants

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Multiple fission

Binary Fission

Grafting

All of above

The process of photosynthesis in green plants in

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CO₂ + O₂ +light → CHO +6O₂ +6H₂O

6CO₂ +12H₂O +light → C₆H₁₂O₆+ 6O₂ +6H₂

6CO₂ +12H₂O → C₆H₁₂O₆ + 6O₂ +6H₂O

None

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