Biology - Questions and Answers, General Study (GK)

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801.

Some plants feed upon insects for their nitrogen requirements. They are called insectivorous plants. Which of the following is such a plant ?

(a)Hornwort

(b)Bladderwort

(c)Spiderwort

(d)Liverwort

Comment

Answer is: B

802.

The Red Sea derives its name from the

(a)Red bloom caused by a red alga

(b)Red coloured effluents deposited in it

(c)Profuse growth of a red flowered plant

(d)Red bloom caused by a blue-green alga

Comment

Answer is: D

803.

Which country is called the sugar bowl of the world ?

(a)India

(b)Argentina

(c)Cuba

(d)USA

Comment

Answer is: C

804.

In which of the following are Mitochondria absent ?

(a)Fungi

(b)Green algae

(c)Blue-green algae

(d)Angiosperms

Comment

Answer is: C

805.

Which of the following are procaryotic plants ?

(a)Blue-green algae

(b)Green algae

(c)Sea weeds

(d)Diatoms

Comment

Answer is: A

806.

Eucaryotic organisms are those that contain

(a)DNA threads

(b)True nucleus

(c)Vacuoles

(d)Plastids

Comment

Answer is: B

807.

With which of the following is Azotobacter associated ?

(a)Nitrogen fixation

(b)Carbon fixation

(c)Root nodules

(d)Fermentation

Comment

Answer is: A

808.

The merismatic cells are

(a)Thin walled

(b)Richly protoplasmic

(c)Isodiametric

(d)All of these

Comment

Answer is: D

809.

Which of the following micro nutrients plays an important role in the nitrogen metabolism of plants, especially in the reduction of nitrate ?

(a)Copper

(b)Molybdenum

(c)Zinc

(d)Boron

Comment

Answer is: B

810.

Plant development is influenced by

(a)Quality and quantity of light

(b)Quality of light only

(c)Quality, quantity and duration of light

(d)Quality and duration of light

Comment

Answer is: C

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Biology - Questions and AnswersPage 81

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