Explore topic-wise MCQs in Biology.

This section includes 5751 Mcqs, each offering curated multiple-choice questions to sharpen your Biology knowledge and support exam preparation. Choose a topic below to get started.

601.

A composite or multiple fruit develops from :

A. Polycarpellary ovary
B. Bicarpellary and syncarpous ovary
C. Apocarpous ovary
D. Inflorescence
Answer» E.
602.

The fleshy receptacle encloses a number of: (C.B.S.E. 2008)

A. Berrie
B. achene
C. Unisexual flower
D. Samaras
Answer» D. Samaras
603.

How many plants in the list given below have composite fruits that develop from an inflorescence? (A.I.P.M.T. 2012) Walnut, poppy, radish, pineapple, apple, tomato, mulberry.

A. Five
B. Two
C. Three
D. Four
Answer» D. Four
604.

Which fruit is a type of nut?

A. Ground nut
B. Oat
C. Walnut
D. Cashew nut
Answer» E.
605.

A fruit in which the fruit wall (pericarp) and seed coat have got fused is called

A. Legume
B. caryopsis
C. nut
D. drupe
Answer» C. nut
606.

The capacity for vegetative reproduction is found in:

A. Leave
B. Roots
C. Stem
D. All of above
Answer» E.
607.

Phyllode is present in : (A.I.P.M.T. 2012)

A. Euphorbia
B. Australian Acacia
C. Opuntia
D. Asparagus
Answer» C. Opuntia
608.

The ovary is half inferior in flowers of : (A.I.P.M.T. 2011)

A. Peach
B. Cucumber
C. Cotton
D. Guava
Answer» B. Cucumber
609.

Fibers are found on the seeds of:

A. Calotropi
B. Gossypium
C. Alstonia
D. All of above
Answer» E.
610.

How many true pairs of ribs are found in human ?

A. 7
B. 6
C. 8
D. 10
Answer» B. 6
611.

How many bone are present in each middle ear of human ?

A. 3
B. 4
C. 6
D. 8
Answer» B. 4
612.

By the help of what amoeboid movement is possible ?

A. Flagellary
B. leg
C. Cilia
D. Pseudopodia
Answer» E.
613.

What is the number of thoracic vertebrae in human ?

A. 12
B. 5
C. 7
D. 8
Answer» B. 5
614.

How many numbers of carpals and metacarpals are present respectivly in each forelimb of human ?

A. 8,5
B. 5,8
C. 10,8
D. 14, 30
Answer» B. 5,8
615.

How many pairs of ribs are found in human ?

A. 12
B. 14
C. 18
D. 24
Answer» B. 14
616.

How many bones are present in the axial skeleton of human ?

A. 80
B. 100
C. 125
D. 106
Answer» B. 100
617.

By which structure complete pelvic girdle is formed ?

A. Two Ilium
B. Ischium
C. Two Coxal bone
D. Acetabulum
Answer» D. Acetabulum
618.

How many vertebrae are present in the structure of vertebral column of human ?

A. 26
B. 33
C. 38
D. 29
Answer» B. 33
619.

What is the formulae of phalanges of hand and leg of human ?

A. 2,3,3,3,3
B. 0,2,2,3,3
C. 2,2,3,3,3
D. 0,2,3,3,3
Answer» B. 0,2,2,3,3
620.

Which movement is seen in Paramoecium ?

A. Flagella’
B. Amoeboid
C. Ciliary
D. Pseudopodia
Answer» D. Pseudopodia
621.

How many flat bones are present in a cranium ?

A. 6
B. 8
C. 10
D. 12
Answer» B. 8
622.

Through what the movement of internal organs of body occur ?

A. Skeleton muscle
B. Voluntary muscles
C. Non-striated muscles
D. All type of muscles
Answer» D. All type of muscles
623.

Which bone is occurs in Shank ?

A. Radio-Ulna
B. Tibio-fibula
C. Humerus
D. Femur
Answer» C. Humerus
624.

The number of tarsals in each limb of human ?

A. 5
B. 6
C. 7
D. 8
Answer» D. 8
625.

What is the number of bones present in each leg of human ?

A. 30
B. 35
C. 25
D. 40
Answer» B. 35
626.

Which are floating rib in human ?

A. ll th and 12th
B. 9th and 10th
C. 7th and 8th
D. 5th and 7th
Answer» B. 9th and 10th
627.

Which flat bone is present in the middle line of thorax region of human ?

A. Sternum
B. Collar
C. Vertebral column
D. Femur
Answer» B. Collar
628.

Where cervical vertebrae are found ?

A. Thorax region
B. Lumbar region
C. Throat
D. Tail
Answer» D. Tail
629.

What are the number of tarsal and metatarsal respectively in each limb of human ?

A. 5, 7
B. 7, 5
C. 8, 3
D. 5, 14
Answer» C. 8, 3
630.

What is incorporated in pelvic girdle ?

A. Ilium, Ischium, pubi
B. llium, Ischium, Clavicle
C. Ilium, Ischium, Scapula
D. Humerus, Clavicle, scapula
Answer» E.
631.

How many False pairs of ribs are found in human ?

A. 2
B. 7
C. 8
D. 9
Answer» B. 7
632.

By which bone half part of the pectoral girdle is made ?

A. Clavicle
B. Scapula
C. a and b
D. Sternum
Answer» D. Sternum
633.

Some plans have rhizome and roots as underground structures. Which characteristics of rhizomewould distinguish them from roots?

A. Rhizomes are thicker than roots.
B. Rhizomes have scaly leaves
C. Rhizome are thinner than roots
D. None of the above
Answer» C. Rhizome are thinner than roots
634.

Who makes the floor of the buccal cavity ?

A. Hyoid bone
B. Vomer
C. Mandible
D. Frontal
Answer» B. Vomer
635.

What is the number of cervical vertebrae in human ?

A. 4
B. 7
C. 9
D. 14
Answer» C. 9
636.

Adventitious roots: (AFMC:1994,Chandigadh CETs 1997)

A. Develop from radical
B. Develop from flower
C. Develop from embryo
D. Develop from any part of plant body except radical
Answer» E.
637.

Form which pont of root, root hairs develop ?

A. Region of maturation
B. Region of elongation
C. Meristematic region
D. Region of root cap
Answer» C. Meristematic region
638.

In one of the following the stem performs the function of storage and propagation:

A. Ginger
B. Wheat
C. Radish
D. Groundnut
Answer» B. Wheat
639.

Which of the following plants have root pockets?

A. Eichhorinia
B. Capparis
C. Opuntia
D. Banyan
Answer» B. Capparis
640.

Potatoes are borne on :

A. Primary root
B. axil of scaly leaves
C. Lateral roots
D. Adventitious roots
Answer» C. Lateral roots
641.

Tiny sacs or bladders are found in:

A. Utriculariya
B. salvinia
C. nepenthes
D. Hydrilla
Answer» B. salvinia
642.

Bulbils take part in :

A. Sexual reproduction
B. Respiration
C. Transpiration
D. Vegetative reproduction
Answer» E.
643.

In which of following, the plants have all roots?

A. Podostemon
B. Lemna
C. Wolffia
D. Utricularia
Answer» B. Lemna
644.

Turmeric is a stem and not a root because :

A. It stores food material
B. It grows parallel to soil surface
C. It has nodes and internodes
D. It has chlorophyll
Answer» D. It has chlorophyll
645.

Which would do maximum harm to a tree ? The loss of:

A. Half of its branches
B. All of its leaves
C. Half of its flower
D. Half of its bark
Answer» C. Half of its flower
646.

Grasses are examples of the following type of stem:

A. Sucker
B. Runners
C. Stolon
D. Rhizomes.
Answer» C. Stolon
647.

Smallest dicotyledonous parasitic plant of the world is: (JIPMER 1997)

A. Coryadalis nana
B. Primula minutissina
C. Arcethobium minustissimum
D. Marsilea minuta
Answer» D. Marsilea minuta
648.

Stem is very much reduced in:

A. Tuber
B. Bulb
C. Corm
D. Rhizome
Answer» C. Corm
649.

A potato tuber is underground stem because:

A. It has swollen and non-green
B. It possesses axillary buds
C. It possesser starch as stored fo
Answer» C. It possesser starch as stored fo
650.

Epiphytic roots are found in :

A. Indian rubber
B. Orchid
C. Tinospora
D. Cuscuta
Answer» C. Tinospora