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Q:

During fermentation of sugar, the compound which is always formed is

A) Methyl Alcohol B) Ethyl Alcohol
C) Acetic Acid D) Ethylene
 
Answer & Explanation Answer: B) Ethyl Alcohol

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Q:

The virus of AIDS affects the growth of_____________

A) Haemoglobin B) RBCs in blood
C) T cells in blood D) Grey cells in brain
 
Answer & Explanation Answer: C) T cells in blood

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Q:

What is the basis of first level of classification among plants?

A) Differentiated plant body B) Specialised tissues
C) Ability to bear seeds D) No option is correct
 
Answer & Explanation Answer: A) Differentiated plant body

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Q:

The specificity of an antibody is due to

A) the variable portions of the H and L chains B) the L chains
C) its valence D) the H chains
 
Answer & Explanation Answer: A) the variable portions of the H and L chains

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Q:

Photosynthesis takes place inside plant cells in _____.

A) Ribosomes B) Chloroplasts
C) Nucleus D) Mitochondria
 
Answer & Explanation Answer: B) Chloroplasts

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Q:

Features and habits that help animals to adapt to their surroundings are a result of the process of ______________.

A) maturation B) evolution
C) progression D) renewal
 
Answer & Explanation Answer: B) evolution

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Q:

The male sex organs in a flower is the __________.

A) Zoospores B) stamen
C) pistil D) Chlorophyceae
 
Answer & Explanation Answer: B) stamen

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Q:

Which of the following does not hold true for Animal belonging to Phylum Chordate?

A) Notochord present B) Pharynx perforated by gill slits.
C) Heart is dorsal (if present) D) A post-anal part (tail) is present
 
Answer & Explanation Answer: C) Heart is dorsal (if present)

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