Explore topic-wise MCQs in Biology.

This section includes 57 Mcqs, each offering curated multiple-choice questions to sharpen your Biology knowledge and support exam preparation. Choose a topic below to get started.

1.

Transverse section of an old tree stem show fifty annual ring. The age of tree will be

A. 25 years
B. 49 years
C. 50 years
D. 100 years
Answer» D. 100 years
2.

Companion cells are usually seen associated with

A. Fibers
B. Tracheids
C. Vessels
D. Sieve tube
Answer» E.
3.

Tissue is a group of cells

A. Similar in origin, that together carry out a specific function
B. Similar in origin but Dissimilar in structure and function
C. Dissimilar in origin but Similar in structure and function
D. Dissimilar in origin, structure and function
Answer» B. Similar in origin but Dissimilar in structure and function
4.

Tissue which is responsible for the secondary growth is

A. Xylem
B. Phloem
C. Cambium
D. Cortex
Answer» D. Cortex
5.

Lateral meristem is responsible for

A. Growth in length
B. Growth in parenchyme
C. Growth in thickness
D. Growth in cortex
Answer» D. Growth in cortex
6.

Procambium stituated just behind the apical meristem give rise to

A. Primary vascular bundles and primary cambium
B. Only vascular cambium
C. Only corck cambium
D. Only primary vascular bundles
Answer» B. Only vascular cambium
7.

Whose living cell provides tensility and mechanical strength

A. Collenchyma
B. Sclerenchyma
C. Phloem
D. Sclereids
Answer» B. Sclerenchyma
8.

Hydrophytes float on the water surface due to presence of

A. Collenchyma
B. Scelerenchyma
C. Aerenchyma
D. Mesenchyma
Answer» D. Mesenchyma
9.

Food prepared by plant is transported to different part of plant through

A. Xylem
B. Cortex
C. Phloem
D. Pith
Answer» D. Pith
10.

Function of vellamen is

A. Respiration
B. protection of tissue
C. Absorption of moisture
D. None of these
Answer» D. None of these
11.

Apical meristmatic tissue is responsible for

A. Growth in length
B. Growth in thickness
C. Growth in cortex
D. None of these
Answer» B. Growth in thickness
12.

Cork is obtained from

A. Xylem
B. Phloen
C. Cork cambium
D. Vascular cambium
Answer» D. Vascular cambium
13.

Vascular cambium and corck cambium is the example of

A. Apical meristem
B. Lateral meristem
C. Intercalary meristem
D. Element of xylem and phloem
Answer» C. Intercalary meristem
14.

Living member of phloem tissue is

A. Vessel
B. Companion cell
C. Sieve tube
D. Fibers
Answer» C. Sieve tube
15.

Bark includes

A. All the tissues outside the vascular combium
B. Tissue inside the vascular combium
C. Tissue inside xylem
D. All the dead tissue outside vascular combium
Answer» B. Tissue inside the vascular combium
16.

Trunk of tree increases in grith due to cell division in

A. Vascular tissue
B. Meristematic tissue
C. Cortex
D. Pith
Answer» C. Cortex
17.

Tissue in which cells have lost the capicity of cell division

A. Mestistmatic tissue
B. Permanent tissue
C. Both a and b
D. None of these
Answer» C. Both a and b
18.

Vellamen tissue in orchids are found in

A. Shoot
B. Root
C. Leaf
D. Flower
Answer» C. Leaf
19.

Age of tree is estimitted by

A. Its weight
B. Its height
C. The number of annual ring
D. The length of its root
Answer» D. The length of its root
20.

Longest fibers are found in

A. Jute
B. Cotton
C. Sunn Hemp
D. Coir
Answer» B. Cotton
21.

Annual rings do not occur in dicot tree growing on seashore because

A. Soil is sandy
B. There is little climatic variation
C. Increased moisture
D. There is a large scale dimatic variation
Answer» C. Increased moisture
22.

One growing ring of plant consists of

A. Only autumn wood
B. Spring wood and early wood
C. Only spring wood
D. Spring wood and autumn wood
Answer» E.
23.

Number of stomata is less and sunkin in

A. Mesophytes
B. Halophytes
C. Hydrolphytes
D. Xerophytes
Answer» E.
24.

Water and mineral in plant is transported through

A. Xylem
B. Phloem
C. Pith
D. Cortex
Answer» B. Phloem
25.

In tree, the growth ring represent

A. Primary xylem
B. Secondary xylem
C. Secondary phloem
D. Cambium
Answer» C. Secondary phloem
26.

The Cell well of xylem cells is rich

A. Lipid
B. Protein
C. Lignin
D. Starch
Answer» D. Starch
27.

Annual rings are distinct in plant which grow in

A. Grass land
B. Aratic region
C. Tropical region
D. Temparate region
Answer» E.
28.

Aerenchyma tissue are found in

A. Mesophyte
B. Perophytes
C. Lithophytes
D. Hydrophytes
Answer» E.
29.

Meristem is a group of cell that

A. Elongate and add to the group of permanent cell
B. Add to the bulk of plant
C. Store food
D. Devide continually to form new cells
Answer» E.
30.

Trunk of tree

A. Vascular tissue
B. Meristematic tissue
C. Cortex
D. Pith
Answer» C. Cortex
31.

Tissue in which cells have

A. Mestistmatic tissue
B. Permanent tissue
C. Both a and b
D. None of these
Answer» C. Both a and b
32.

Vellamen tissue

A. Shoot
B. Root
C. Leaf
D. Flower
Answer» C. Leaf
33.

Age of tree

A. Its weight
B. Its height
C. The number of annual ring
D. The length of its root
Answer» D. The length of its root
34.

Longest fibers

A. Jute
B. Cotton
C. Sunn Hemp
D. Coir
Answer» B. Cotton
35.

Annual rings

A. Soil is sandy
B. There is little climatic variation
C. Increased moisture
D. There is a large scale dimatic variation
Answer» C. Increased moisture
36.

Apical meristmatic tissue

A. Growth in length
B. Growth in thickness
C. Growth in cortex
D. None of these
Answer» B. Growth in thickness
37.

Cork

A. Xylem
B. Phloen
C. Cork cambium
D. Vascular cambium
Answer» D. Vascular cambium
38.

Vascular cambium

A. Apical meristem
B. Lateral meristem
C. Intercalary meristem
D. Element of xylem and phloem
Answer» C. Intercalary meristem
39.

Living member of

A. Vessel
B. Companion cell
C. Sieve tube
D. Fibers
Answer» C. Sieve tube
40.

Bark

A. All the tissues outside the vascular combium
B. Tissue inside the vascular combium
C. Tissue inside xylem
D. All the dead tissue outside vascular combium
Answer» B. Tissue inside the vascular combium
41.

Procambium

A. Primary vascular bundles and primary cambium
B. Only vascular cambium
C. Only corck cambium
D. Only primary vascular bundles
Answer» B. Only vascular cambium
42.

Whose living cell provides

A. Collenchyma
B. Sclerenchyma
C. Phloem
D. Sclereids
Answer» B. Sclerenchyma
43.

Hydrophytes float

A. Collenchyma
B. Scelerenchyma
C. Aerenchyma
D. Mesenchyma
Answer» D. Mesenchyma
44.

Food prepared by plant

A. Xylem
B. Cortex
C. Phloem
D. Pith
Answer» D. Pith
45.

Function of vellamen

A. Respiration
B. protection of tissue
C. Absorption of moisture
D. None of these
Answer» D. None of these
46.

In tree, the

A. Primary xylem
B. Secondary xylem
C. Secondary phloem
D. Cambium
Answer» C. Secondary phloem
47.

Annual rings

A. Grass land
B. Aratic region
C. Tropical region
D. Temparate region
Answer» E.
48.

Tissue

A. Similar in origin, that together carry out a specific function
B. Similar in origin but Dissimilar in structure and function
C. Dissimilar in origin but Similar in structure and function
D. Dissimilar in origin, structure and function
Answer» B. Similar in origin but Dissimilar in structure and function
49.

Aerenchyma tissue

A. Mesophyte
B. Perophytes
C. Lithophytes
D. Hydrophytes
Answer» E.
50.

Meristem

A. Elongate and add to the group of permanent cell
B. Add to the bulk of plant
C. Store food
D. Devide continually to form new cells
Answer» E.