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question_answer1)
The walls of cork cells are thickened by the deposition of an organic substance which make these cells impermeable to water and gases. This substance is
A)
Pectin done
clear
B)
Suberin done
clear
C)
Lignin done
clear
D)
None of these done
clear
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question_answer2)
Which of the following statement regarding apical meristem is incorrect?
A)
It brings about increase in length of the root and stem. done
clear
B)
It develops by dedifferentiation of permanent tissues. done
clear
C)
It constitutes primary meristem. done
clear
D)
None of these done
clear
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question_answer3)
Select the correct statement regarding meristematic tissues.
A)
They are found at specific locations in the animal body. done
clear
B)
They have cells with thick secondary walls. done
clear
C)
They perform the function of growth and division. done
clear
D)
Both (a) and (c) done
clear
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question_answer4)
X is a conducting tissue that is involved in bidirectional transport of materials in a plant. X is _____.
A)
Phloem done
clear
B)
Xylem done
clear
C)
Meristem done
clear
D)
Sclerenchyma done
clear
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question_answer5)
The tissue shown here is ____.
A)
Simple squamous epithelial tissue done
clear
B)
Striated muscle tissue done
clear
C)
Areolar tissue done
clear
D)
Ciliated columnar epithelial tissue done
clear
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question_answer6)
Which of the following tissues provides mechanical strength and flexibility to plants?
A)
Parenchyma done
clear
B)
Collenchyma done
clear
C)
Aerenchyma done
clear
D)
Sclerenchyma done
clear
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question_answer7)
Match column I with column II and select the correct option from the given codes.
Column I | Column II |
(a) Food storage | (i) Phloem |
(b) Food conduction | (ii) Xylem |
(c) Mechanical strength | (iii) Parenchyma |
(d) Water conduction | (iv) Scierenchyma |
A)
a - (iii), b - (i), c - (iv), d - (ii) done
clear
B)
a - (ii), b - (iii), c - (iv), d - (i) done
clear
C)
a - (ii), b - (i), c - (iii), d - (iv) done
clear
D)
a - (ii), b - (i), c - (iv), d - (iii) done
clear
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question_answer8)
Which of the following epithelial tissues, lines the nasal passages and oviducts?
A)
B)
C)
D)
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question_answer9)
Which of the following are incorrectly matched?
(i) Adipose tissue | Fat storage |
(ii) Stratified epithelium | Skin |
(iii) Areolar tissue | Packaging tissue |
(iv) Squamous epithelium | Kidney tubules |
(v) Cardiac muscle | Branched and multinucleate |
(vi) Striated muscle | Unbranched and unicucleate |
A)
(v) and (vi) only done
clear
B)
(ii), (iv) and (vi) only done
clear
C)
(iii) and (iv) only done
clear
D)
(iii) and (v) only done
clear
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question_answer10)
Mohit was asked to draw a labelled diagram of sclerenchyma tissue as seen in longitudinal section. The figure he drew is shown here. Point out the mistake in the figure.
A)
Instead of simple pit pore, it should be bordered pit. done
clear
B)
The cell walls are not lignified in sclerenchyma. done
clear
C)
The nucleus and cytoplasm are not shown. done
clear
D)
The figure shows transverse section instead of longitudinal section of tissue. done
clear
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question_answer11)
The matrix of bone is in the form of thin concentric rings, called _____. Bone cells, called ____ are present in fluid-filled spaces called ____. These fluid filled spaces of the bone communicate with each other by network of fine canals, called ____.
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Select the correct sequence of words to complete the above passage.
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A)
Lacunae, Osteoblasts, Lamellae, Canaliculi. done
clear
B)
Lamellae, Osteocytes, Lacunae, Canaliculi done
clear
C)
Lamellae, Chondrocytes, Canaliculi, Lacunae done
clear
D)
Lacunae, Adipocytes, Canaliculi, Sarcoplasm done
clear
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question_answer12)
The tissue shown in the given figure is
A)
Angular collenchyma, in which wall thickenings are present at the angles done
clear
B)
Sclerenchyma, in which uniform wall thickenings are present done
clear
C)
Xylem fibres with narrow central lumen done
clear
D)
Phloem parenchyma with abundant food reserve. done
clear
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question_answer13)
A)
(a)-(i), (b)-(ii), (c)-(iii) done
clear
B)
(a)-(ii), (b)-(iii), (c)-(i) done
clear
C)
(a)-(i), (b)-(iii), (c)-(ii) done
clear
D)
(a)-(iii), (b)-(i), (c)-(ii) done
clear
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question_answer14)
Which of the following statement is correct about the cell shown in figure?
A)
P receives nerve impulse from Q and conveys it to other cells. done
clear
B)
P conducts impulse away from cyton while S conducts impulse towards cyton. done
clear
C)
R is called node of Ranvier. done
clear
D)
All of these done
clear
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question_answer15)
Select the incorrect differences between collenchyma and sclerenchyma.
| Collenchyma | Sclerenchyma |
(i) | It is made up of dead cells. | Its cells are living. |
(ii) | Lumen or cell cavity is wide. | Lumen or cell cavity is usually narrow. |
(iii) | It provides hardness to the region where it occurs. | It keeps the organ soft. |
(iv) | Wall thickening is not uniform. | Wall thickening is uniform. |
(v) | Pits are simple and straight. | Pits are simple, oblique and may be branched. |
A)
(i) and (iii) only done
clear
B)
(i), (iii) and (iv) only done
clear
C)
(ii), (iv) and (v) only done
clear
D)
(i) and (iv) only done
clear
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question_answer16)
Observe the given figures of three different plant tissues and select the correct option.
A)
a and b consist of living cells while c consists of dead cells. done
clear
B)
Cytoplasm is present in cells of a while it is absent in cells of b and c. done
clear
C)
Cell walls of a, b and c bear uniform thickening of suberin. done
clear
D)
a provides mechanical strength to the plant while b and c serve as storage tissues. done
clear
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question_answer17)
Direction: Refer to the given dichotomous key and answer the following question.
I. (a) The cells of tissue have walls. - Go to II
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(b) The cells of tissue have no walls. - Go to III
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II. (a) The cells are living. - Go to IV
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(b) The cells are dead. - Go to V
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III. (a) The tissue lines the oviducts. – R
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(b) The tissue transports nutrients. – S
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IV. (a) Cells store air. – P
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(b) The tissue conducts nutrients. – Q
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V. (a) The tissue conducts water. – T
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(b) It is only a mechanical tissue. - U
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Select the incorrect option regarding tissues P, Q, R, S, T and U.
A)
P is found in aquatic floating plants whereas Tis greatly reduced or absent in aquatic plants. done
clear
B)
R and S are animal tissues while P and Q are plant tissues. done
clear
C)
S can be xylem, Q can be blood and U can be parenchyma. done
clear
D)
R is ciliated epithelial tissue whereas U possesses uniform wall thickenings of lignin. done
clear
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question_answer18)
Direction: Refer to the given dichotomous key and answer the following question.
I. (a) The cells of tissue have walls. - Go to II
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(b) The cells of tissue have no walls. - Go to III
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II. (a) The cells are living. - Go to IV
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(b) The cells are dead. - Go to V
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III. (a) The tissue lines the oviducts. – R
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(b) The tissue transports nutrients. – S
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IV. (a) Cells store air. – P
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(b) The tissue conducts nutrients. – Q
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V. (a) The tissue conducts water. – T
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(b) It is only a mechanical tissue. - U
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Select the correct match of tissue and its location in body.
A)
P - Apical meristem, R - Skin done
clear
B)
Q - Epidermal covering of leguminous seeds, U - Leaf petiole done
clear
C)
S - Fruit pulp, T - Bone cavities done
clear
D)
R - Nasal passages, U - Grit of guava done
clear
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question_answer19)
Direction: Read the given passage in which some words are italicised and answer the following question.
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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.
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Select the correct statement regarding the italicised words.
A)
Cyton should be replaced by axon and vice-versa. done
clear
B)
Neuron should be replaced by dendrites. done
clear
C)
The positions of cyton and neuron should be interchanged. done
clear
D)
All of these done
clear
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question_answer20)
Direction: Read the given passage in which some words are italicised and answer the following question.
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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.
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Select the option that correctly identifies X and Y.
A)
B)
C)
D)
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