Biology - Questions and Answers, General Study (GK)

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831.

Which of the following is essential for the plants to help them in the formation of chlorophyll ?

(a)Magnesium

(b)Potassium

(c)Calcuim

(d)Phosphorus

Comment

Answer is: A

832.

DNA is

(a)Citric acid

(b)Acetic acid

(c)An enzyme

(d)A class of nucleic acids

Comment

Answer is: D

833.

The epidermis of sponge is made up of

(a)Pinacocytes

(b)Archaeocytes

(c)Thesocytes

(d)Choanocytes

Comment

Answer is: A

834.

Which is the inhalent aperture in a sponge ?

(a)Apopyle

(b)Ostium

(c)Prosopyle

(d)Osculum

Comment

Answer is: B

835.

Common larva of a sponge is

(a)Planula

(b)Parenchymula

(c)Tadpole

(d)Ephyra

Comment

Answer is: B

836.

Which is a fresh water cnidarian ?

(a)Dugesia

(b)Spongilla

(c)Hydra

(d)None of these

Comment

Answer is: C

837.

The oral of Hydra is called

(a)Mouth

(b)Manubrium

(c)Ostium

(d)Osculum

Comment

Answer is: B

838.

Sea flowers are

(a)Red corals

(b)Jelly fish

(c)Corals

(d)Sea Anemones

Comment

Answer is: D

839.

Anus is absent in

(a)Pheretima

(b)Unio

(c)Fasciola

(d)Periplaneta

Comment

Answer is: C

840.

Thread or Pinworm is

(a)Necator

(b)Enterobius

(c)Wuchereria

(d)Ancylostoma

Comment

Answer is: B

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Biology - Questions and AnswersPage 84

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