EXERCISES

Match column I with column II and select the correct option from the given codes.

Column I		Column II
(a)		(i)	Phagocytosis
(b)		(ii)	Blood clotting
(c)		(iii)	Transport of oxygen

Which of the following statement is correct about the cell shown in figure?

Select the incorrect differences between collenchyma and sclerenchyma.

Observe the given figures of three different plant tissues and select the correct option.

Direction (Q. No. 17 and 18) : Refer to the given dichotomous key and answer the following questions.
I. (a) The cells of tissue have walls. -Go to II
   (b) The cells of tissue have no walls. -Go to III
II. (a) It is made of only one type of cells.- Go to IV
   (b) It is made of more than one type of cells. - Go to V
III. (a) The tissue lines the Fallopian tubes.- $R$
     (b) The tissue transports nutrients. - $S$
IV. (a) Cells store air. - $P$
     (b) It is mainly a mechanical tissue. - $U$
V. (a) The tissue conducts water. - $T$
    (b) The tissue conducts organic nutrients. - $Q$

Select the incorrect option regarding tissues $P, Q, R, S, T$ and $U$.

Direction (Q. No. 17 and 18): Refer to the given dichotomous key and answer the following questions.
I. (a) The cells of tissue have walls. -Go to II
   (b) The cells of tissue have no walls. -Go to III
II. (a) It is made of only one type of cell.- Go to IV
   (b) It is made of more than one type of cell. - Go to V
III. (a) The tissue lines the Fallopian tubes.- $R$
     (b) The tissue transports nutrients. - $S$
IV. (a) Cells store air. - $P$
     (b) It is mainly a mechanical tissue. - $U$
V. (a) The tissue conducts water. - $T$
    (b) The tissue conducts organic nutrients. - $Q$

Select the correct match of tissue and its location in body.

Direction (Q. No. 19 and 20) : Read the given passage in which some words are italicised and answer the following questions.
The nervous tissue consists of special nerve cell called cyton. The cell is divided into axon and neuron. The cyton has thread like structures extending from it called $X$. The axon ends into terminal branches that form a $Y$ with other nerve cells.

Select the correct statement regarding the italicised words.

Direction (Q. No. 19 and 20): Read the given passage in which some words are italicized and answer the following questions.
The nervous tissue consists of a special nerve cell called cyton. The cell is divided into axons and neurons. The cyton has thread-like structures extending from it called $X$. The axon ends into terminal branches that form a $Y$ with other nerve cells.

Select the option that correctly identifies $X$ and $Y$