Question # 1

Organisms that make their own food with help of sunlight, CO and H₂O are called.

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Consumers

Producers

Decomposers

Predators

During binary fission, the nucleus of parent organism divides into two by:

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Sexual reproduction

Meiosis

Mitosis

None of these

Chromatin material is made of.

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DNA

Protein

RNA

DNA and protein

Name of mature blood cells is:

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Osteocytes

Chondrocytes

Oocytes

Tendos

________ separates the middle ear from inner ear.

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Malleus

Stapes

Incus

eustachian tube

Method of asexual reproduction in hydra is:

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binary fission

Budding

Fragmentation

Parthengenesis

Deposition of uric acid in joints is due to:

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Osteoarthritis

Gout

Osteoporosis

Rheumatold Arthritis

The total amount of living matter in an ecosystem at any time is called.

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Biomass

Energy

Food Chain

Food web

Branch of Biology is which we study about inheritance.

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Pharmacology

Physiology

Ecology

Genetics

Point out the FALSE statement about respiration.

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Gases can easily pass through the walls of the alveoli

Gas exchange in lungs is very efficient because lungs provide large surface area

In emphysema, the walls of alveoli break and there is more surface area.

Dust particles can damage the lung by irritating the inner alveoli surface.

The rate of breathing at rest in human is:

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16-20 times per minute

70-80times per minute

80-100times per minute

10 -20 times per minute

A cough, mild wheezing, fever chills and shortness of breath are symptoms of:

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Emphysema

Pneumonia

Bronchitis

Asthma

Many diploid oogonia are present in :

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Follicles

Sperms

Spermatids

Scrottum

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