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.

651.

Phyllotaxy refers to;

A. Arrangement of leaves on stem
B. Folding leaf in the bud
C. (a) & (b) both
D. None of the above
Answer» B. Folding leaf in the bud
652.

Leaves are attached to the stem at :

A. Apical meristem
B. Internode
C. Nodes
D. Axillary meristem
Answer» D. Axillary meristem
653.

Winged petiole is found in;

A. citru
B. acacia
C. radish
D. peepal
Answer» B. acacia
654.

Roots are differentiated into adventitious roots by their:

A. Function
B. appearance
C. place of origin
D. position
Answer» D. position
655.

Plants with jointed stem and hollow internodes are known as :

A. Clum
B. Scape
C. Ephemerals
D. Lianas
Answer» B. Scape
656.

Red root is name of:

A. Carrot
B. Sweet potato
C. Potato
D. Beet root
Answer» E.
657.

Food present in bulbil occurs in:

A. Root
B. Stem
C. Leaf base
D. Petioles
Answer» D. Petioles
658.

Make correct pairs from the column - I and column - II.

A. (P-ii) ( Q -iv ) ( R- ii) ( S - v) ( T - i)
B. ( P-ii) ( Q -iii) ( R- i) ( S - v) (T - iv)
C. ( P-iii) ( Q -iv) ( R- ii) ( S - v) ( T - i)
D. ( P-v ) ( Q -iii) (R- ii) ( S - i) ( T - iv)
Answer» D. ( P-v ) ( Q -iii) (R- ii) ( S - i) ( T - iv)
659.

Where cardiac muscle is present ?

A. In all internal Organ
B. In lungs
C. In heart
D. In hand
Answer» D. In hand
660.

Ribs are attached to : (Wardha- 2001 )

A. Scapula
B. Sternum
C. Clavicle
D. Ilium
Answer» C. Clavicle
661.

Number of bones present in an arm is : (AFMC - 2004 )

A. 30
B. 32
C. 35
D. 40
Answer» B. 32
662.

In humans, coccyx is formed by the fusion of vertebrae (NCERT- 1978)

A. 3
B. 4
C. 5
D. 6
Answer» C. 5
663.

Ankle joint is : (Pb.P.M.T- 1997)

A. Pivot joint
B. Ball and soket joint
C. Hinge joint
D. Gliding joint
Answer» E.
664.

Hinge joint occurs between : (CPC - 2003 )

A. Humerus and radio-ulna
B. Femur and pelvic girdle
C. Humerus and Pectoral girdle
D. Skull and atlas
Answer» B. Femur and pelvic girdle
665.

In which bone triangular acromion is present ? (CPMT- 2002)

A. Radia
B. Scapula
C. Femur
D. Humerus
Answer» D. Humerus
666.

Which is the skull bone ? (CBSE- 1998)

A. Atla
B. Femur
C. Tibia
D. Nasal
Answer» E.
667.

Which is the functional unit of voluntary muscles ?

A. H-band
B. A-band
C. I-band
D. Sarcomere
Answer» E.
668.

How many vertebrae are in found adult human ?

A. 33
B. 28
C. 24
D. 26
Answer» E.
669.

Make correct pairs from the column -I and column - II.

A. ( P-ii) ( Q -iv ) ( R- ii) ( S - v) ( T - i)
B. ( P-ii) ( Q -iii) ( R- i) ( S - v) (T - iv)
C. ( P-iii) ( Q -v) ( R- iv ) ( S - ii) (T- i)
D. (P-v)(Q-iii) ( R-ii) (S-i)(T-iv)
Answer» D. (P-v)(Q-iii) ( R-ii) (S-i)(T-iv)
670.

Humerus bone is found : (DPMT- 1985)

A. Radia
B. Ulna
C. arm
D. Fore arm
Answer» D. Fore arm
671.

Which are the three type of muscle found in human ?

A. Voluntary muscle, Involunrary muscle and circular muscle
B. Striated muscle, Non-striated muscle and Voluntary muscle
C. Involuntary muscle, Autonomous muscle and Transverse muslce
D. Skeleton muscle, Visceral muscle, And cardiac muscle
Answer» E.
672.

It is type of non-striated muscles ?

A. Voluntary muscle
B. Skeleton muscles
C. Involuntary muscles
D. None of the given
Answer» D. None of the given
673.

What is formed by the bones of pectoral girdle, pelvic girdle and limbs ? (CPMT- 1987)

A. Body skeleton
B. External skeleton
C. Axial skeleton
D. Appendiculr skeleton
Answer» E.
674.

Sarcomere is distance between : ( BHU-2001, CBSE- 2004, RPMT- 2002)

A. Two I- band
B. A and I bands
C. Two consecutive Z- lines
D. Z and A bands
Answer» D. Z and A bands
675.

Total numbers of vertebrae in human skeleton. (JIMERT 2002)

A. 30
B. 32
C. 33
D. 35
Answer» D. 35
676.

Whaich is the smallest bone of fore limb ? (CPMT- 2002)

A. Humeru
B. Femur
C. carpals
D. Fibula
Answer» B. Femur
677.

Number of floting ribs in human body is : (JIMER- 2000)

A. 6 pair
B. 5 pairs
C. 3 pairs
D. 2 pairs
Answer» E.
678.

Substance that accumulates in a fatigued muscle is (Har.P.M.T. - 2003)

A. Pyruvicacid
B. Lactic acid
C. CO2
D. ADP
Answer» C. CO2
679.

During muscle countraction (C.B.S.E. - 2001)

A. Size of a-bands remains the same
B. Size of H-zone becomes smaller
C. Size of I-bands decreases
D. All the above
Answer» E.
680.

Ratio of which is more in red muscle ? (JIMER -2002)

A. Myoglobin
B. Actin
C. Myosin
D. Albumin
Answer» B. Actin
681.

Extremities of long bones possess cartilage (C.B.S.E. 2002)

A. Calcified
B. Fibrous
C. Elastic
D. Hyaline
Answer» E.
682.

In mammals the lower jaw is made of ( kerala -2000)

A. Maxilla
B. Dentary
C. Mandible
D. Ethmoid
Answer» D. Ethmoid
683.

Fibrous joints are present between ( M.P.P.M.T. -2000)

A. Thumb and metatarsal
B. Humerus and radio-ulna
C. Bonus of skull
D. Glenoid cavity and pectoral girdle
Answer» D. Glenoid cavity and pectoral girdle
684.

Which ion is essential for muscle contraction ? (Pb. PMT - 2000)

A. Na
B. K
C. Ca
D. Cl
Answer» D. Cl
685.

How many bones are there in appendicular skeleton ? (BV - 2003)

A. 80
B. 120
C. 126
D. 206
Answer» D. 206
686.

Friction is lessened in ball and soket joint by (MPPMT -1990)

A. Coelomic fluid
B. Synovial fluid
C. Pericardial fluid
D. Mucin
Answer» C. Pericardial fluid
687.

Number of ball and soket joints present in human body is : (Wardha- 2003)

A. 2
B. 4
C. 5
D. 8
Answer» C. 5
688.

Synovial joints is : (Orrisa - 2004)

A. Ball and soket joint
B. Pivot joint
C. Hinge joint
D. A11 the above
Answer» E.
689.

Joint of sternum and ribs is (C.B.S.E. -2000)

A. Cartiginou
B. Fibrous joint
C. Angular joint
D. Hinge joint
Answer» B. Fibrous joint
690.

Glenoid cavity is found in (A.M.U. - 2000)

A. Pelvic girdle
B. Skull
C. Pectoral girdle
D. Sternum
Answer» D. Sternum
691.

Lumbar vertebrae are located in : (HPPMT - 2005)

A. region
B. Thorax
C. Abdominal regionNeckn
D. Hip region
Answer» D. Hip region
692.

Each half of pelvic girdle is made of (MPPMT -1998)

A. Ischium
B. Ilium
C. Pubis
D. All the above
Answer» E.
693.

Give the number of Cranium bones ? (JKCMEE - 2005)

A. 8
B. 10
C. 14
D. 20
Answer» B. 10
694.

Inter-articular disc occur in (B.H.U. -1997)

A. Wall of heart
B. Wall of liver
C. Pubic symphysis
D. In between two vertebrae
Answer» E.
695.

What is the phenomen of overstretched or born ligaments and tendon called

A. Sprain
B. Dislocation
C. Fracture
D. Tension
Answer» D. Tension
696.

Acetabulum is part of (C.E.T. chd. 2000)

A. Pelvic girdle
B. Pectoral girdle
C. Form arm
D. Upper arm
Answer» B. Pectoral girdle
697.

Where is hinge joint found ? (APMEE- 2002)

A. Elbow and shoulder
B. Elbow and Knee
C. Atlas and odontoid process
D. Knee and ankle
Answer» C. Atlas and odontoid process
698.

An example of gliding joints is (MPPMT -1992)

A. Humerus and glenoid cavity
B. Femur and tibio-fibula
C. Occipital condyle and odontoid process
D. Zygapophyses of adjacent vertebrae.
Answer» C. Occipital condyle and odontoid process
699.

Ends of long bones are covered by (Bhi.P.M.T-2001)

A. Ligament
B. Cartilage
C. Muscles
D. Blood cells
Answer» C. Muscles
700.

Cervical vertebrae are located in : (HPPMT - 2005)

A. Thoracic region
B. Abdominal region
C. Neck region
D. Hip region
Answer» D. Hip region