Biology - Questions and Answers, General Study (GK)

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631.

Milk teeth in a child of 3-4 years do not include

(a)Incisors

(b)Canines

(c)Molars

(d)Premolars

Comment

Answer is: C

632.

One of the digestive juices that lacks enzymes but aids digestion is

(a)Succus entericus

(b)Chyme

(c)Bile

(d)Chyle

Comment

Answer is: C

633.

Lf you are standing on your head, the apple being chewed in the mouth
A).

(a)Can be swallowed by squeezing it through the oesophagus

(b)Cannot be swallowed as it falls out of to oesophagus back into the mouth

(c)Can be partially swallowed with a little practice and resistance

(d)None of these

Comment

Answer is: A

634.

Like other body cells, the epithelial cells lining the stomach are protein in nature. Yet the epithelial lining is not digested by the powerful proteolytic enzyme secreted by the stomach because

(a)Both mucus and bacteria give protection against autodigestion

(b)A rich microflora of bacteria makes the enzyme totally inactive for autodigestion

(c)The excess acidity of gastric juice destroys this enzyme

(d)The mucus secreted by mucus protects against autodigestion

Comment

Answer is: D

635.

Some consumers think it dangerous to eat pork as
A).

(a)Swines even eat human excreta

(b)Pork carries tape worm infections

(c)Swines feed on garbage

(d)All of above

Comment

Answer is: B

636.

Honey is formed by
A).

(a)Worker bees in the nectaries of flowers

(b)The selective absorption of fructose by worker bees from juicy plants and its processing in their guts

(c)Worker bees from juicy plants

(d)The action of digestive juices of worker bees on nectar collected from flowers

Comment

Answer is: D

637.

A few drops of saccharine (sweetex) solution spilled on the floor attracts

(a)Ants in large numbers

(b)Houseflics in moderate numbers

(c)Only a few honey bees

(d)None of these

Comment

Answer is: D

638.

Some states in India have imposed a ban on the consumption of kesari dal (Lathyrus sativus) because it causes gradual loss of

(a)Movement of lowerlimbs

(b)Vision

(c)Red blood cells

(d)Hearing

Comment

Answer is: A

639.

The Central Rice Research Institute of India is located at

(a)Hyderabad

(b)Cuttack

(c)Kolkata

(d)Mumbai

Comment

Answer is: B

640.

Which one of the following is a microelement?

(a)Hydrogen

(b)Nitrogen

(c)Chlorine

(d)Oxygen

Comment

Answer is: C

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Biology - Questions and AnswersPage 64

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