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Biology

Biology
There are certain bacteria which can fix atmospheric gas named

Carbond dioxide
Oxygen
Hydrogen
Nitrogen

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Biology
Cyanobacteria are also known as

Red Brown Algae
None of these
Blue Green Algae
Autotrophic bacteria

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Biology
What is the unit of heredity?

Cell
Blood
All of these
Gene

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Biology
Which of these is unique to flowering plants?

An embryo surrounded by nutritive tissue
Pollen production
Double fertilization
Haploid gametophytes

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Biology
A man whose blood group is not known meet with a serious accident and needs blood transfusion immediately. Which one of the blood group mentioned below and readily available in the hospital will be safe for transfusion

O, Rh-
O, Rh+
AB, Rh-
AB, Rh+

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Biology
Complete oxidation of sucrose in pressence of oxygen into CO2 water and energy is called

Aerobic respiration
Glycolysis
Hydrolysis
Anaerobic respiration

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