Explore topic-wise MCQs in NEET.

This section includes 14620 Mcqs, each offering curated multiple-choice questions to sharpen your NEET knowledge and support exam preparation. Choose a topic below to get started.

14551.

Primary vascular tissues are derived from

A. Protoderm
B. Procambium
C. Ground meristem
D. Calyptrogen
Answer» C. Ground meristem
14552.

The trees have in them a large amount of [DPMT 1992]

A. Starch
B. Lignocellulose
C. Cellulose
D. Chitin
Answer» D. Chitin
14553.

Which of the following cell is totipotent [BHU 1999; CBSE PMT 1999; KCET 2000; AFMC 2000]

A. Meristem
B. Sieve tube
C. Collenchyma
D. Xylem vessel
Answer» B. Sieve tube
14554.

Which of the following is absent in phloem of Pinus [BVP 2001]

A. Phloem parenchyma
B. Sieve cells
C. Companion cells
D. None of these
Answer» D. None of these
14555.

Protosteles are found in [MP PMT 2002]

A. Bryophyta
B. Gymnosperms
C. Pteridophyta
D. Angiosperms
Answer» D. Angiosperms
14556.

Multiple epidermis on dorsal and ventral side of the leaf is found in [CBSE PMT 1990; BHU 1994]

A. Zea mays
B. Ficus benghalensis
C. Mangifera indica
D. Nerium oleander
Answer» E.
14557.

Active mitotic divisions can be seen in

A. Cortex
B. Pith and pericycle
C. Cambium
D. All the above
Answer» D. All the above
14558.

Pith cells are found in [RPMT 1995]

A. Epidermis
B. Endodermis
C. Pericycle
D. Lenticels
Answer» C. Pericycle
14559.

Eustele is present in

A. Bryophytes
B. Pteridophytes
C. Dicots
D. None of these
Answer» D. None of these
14560.

When formation of metaxylem is in a centripetal manner, the xylem is [BHU 1994]

A. Endarch
B. Exarch
C. Mesarch
D. Radial
Answer» C. Mesarch
14561.

A stele with a central core of xylem surrounded by phloem is called [BHU 1991]

A. Protostele
B. Siphonostele
C. Solenostele
D. Dictyostele
Answer» B. Siphonostele
14562.

Water secreting glands or tissues are known as [RPMT 1987]

A. Tyloses
B. Hydathodes
C. Cork
D. Phellogen
Answer» C. Cork
14563.

Epidermal outgrowths are known as [DPMT 1976; JIPMER 1983, 88]

A. Stomata
B. Leaves
C. Trichomes
D. Flower buds
Answer» D. Flower buds
14564.

Atavistic epiphysis is a/an

A. Cartilage
B. True epiphysis
C. Independent bone
D. None
Answer» D. None
14565.

The tendon are formed of [CBSE PMT 1999; JIPMER 2001; CPMT 2003; DPMT 1999, 1985]

A. White fibrous tissue (connective)
B. Yellow fibrous tissue (connective)
C. Areolar tissue
D. Adipose tissue
Answer» B. Yellow fibrous tissue (connective)
14566.

Haversian canals are found in [AFMC 1997; BHU 2000; DPMT 2003; MH-CET 2003]

A. Bone marrow
B. Hyaline cartilage
C. Bone matrix
D. Calcified cartilage
Answer» D. Calcified cartilage
14567.

Protein present in cartilage is [CBSE PMT 1997]

A. Chondrin
B. Oesein
C. Cartilagin
D. Ossein
Answer» B. Oesein
14568.

Osteon is found in the

A. Femur of frog
B. Femur of bird
C. Femur of rabbit
D. Femur of man and rabbit
Answer» E.
14569.

Red marrow is found in

A. Amphibians
B. Reptiles
C. Mammals
D. All the above
Answer» D. All the above
14570.

A femur is kept in dilute \[HCl\]for three days, it becomes [CBSE PMT 1993]

A. Brittle
B. Soft and elastic
C. Remains as it is
D. Harder
Answer» C. Remains as it is
14571.

Red marrows of the bone produce [AIIMS 1993]

A. Lymphocytes
B. Eosinophils
C. Plasma
D. RBC
Answer» E.
14572.

Irritability and conductivity are maximum developed in

A. Muscular tissue
B. Nervous tissue
C. Connective tissue
D. None of the above
Answer» C. Connective tissue
14573.

The most appropriate definition of Neuroglial cells are that they are [Kerala CET 2003]

A. Nonsensory supporting cells
B. Secretory cells
C. Sensory cells
D. Sensory and supporting cells
Answer» B. Secretory cells
14574.

Two system which exerts opposite influence on the same organs are

A. Endocrine and exocrine gland systems
B. Muscular and nervous system
C. Endocrine and nervous system
D. Sympathetic and parasympathetic systems
Answer» E.
14575.

Neurohormones are secreted by

A. Nerve fibre
B. Neuroglia
C. Ependymal cells
D. Neurosecretory cells
Answer» E.
14576.

Reversal potential

A. Is always negative
B. Is always positive
C. Is always neutral
D. Never develops until death
Answer» C. Is always neutral
14577.

Nerve fibre is different from the muscle fibre due to the presence of [CPMT 1982]

A. Myofibrils
B. Lines
C. Sarcolemma
D. Dendrites
Answer» E.
14578.

Titan filament connects [AMU 2005]

A. Actin filaments to Z-line
B. Myosin filaments to Z-line
C. Actin filaments to myosin filaments
D. Myosin filaments to M-line
Answer» C. Actin filaments to myosin filaments
14579.

During muscle contraction [MH-CET 2003; Kerala CET 2005]

A. Size of ?A? bands remain the same
B. Size of ?H? zone becomes smaller
C. Size of ?I? band decreases
D. Diameter of fibre increases
Answer» B. Size of ?H? zone becomes smaller
14580.

The stored food material found in muscles is [MP PMT 1999; AFMC 2003]

A. Protein
B. Glycogen
C. Lipid
D. Phosphogen
Answer» B. Glycogen
14581.

Ciliary muscles are contractile structures which

A. Cause standing of hairs in human skin in cold
B. Keep the valves of heart in position
C. Move cilia of some ciliated protozoans
D. Change focus of lense in human eye
Answer» E.
14582.

Cardiac muscles are having characters of [CPMT 1984]

A. Striped muscle
B. Unstriped muscle
C. Both [a] and [b]
D. None of these
Answer» D. None of these
14583.

Striped and branched muscle are found in [CPMT 1994]

A. Iris
B. Heart
C. Leg
D. Brain
Answer» C. Leg
14584.

Hypertrophy of muscle is

A. Muscles become thin and weak due to excessive work
B. Muscles become thick and strong due to excessive work
C. Muscles become thin and weak due to no work
D. Muscles become thick and strong due to no work
Answer» C. Muscles become thin and weak due to no work
14585.

The muscles immune to fatigue are [CPMT 1974]

A. Striped
B. Unstriped
C. Cardiac
D. None of these
Answer» D. None of these
14586.

Egyptian mummies are having still intact artery, it is due to

A. Resistivity of elastin protein to chemical changes
B. Cold weather conditions of egypt
C. Hot weather conditions of egypt
D. It is only a God gift
Answer» B. Cold weather conditions of egypt
14587.

Rats are

A. Arboreal
B. Fossorial
C. Scansorial
D. None of these
Answer» C. Scansorial
14588.

Gestation period of rat is

A. 20-22 days
B. 28-32 days
C. 52-65 days
D. 60-65 days
Answer» B. 28-32 days
14589.

Basic functional units of kidney are called

A. Alveoli
B. Lobules
C. Nephrons
D. Bowman's capsules
Answer» D. Bowman's capsules
14590.

Canines are not represented in the dentition of

A. Rat
B. Rabbit
C. Squirrel
D. All of these
Answer» E.
14591.

A diastema is found in

A. Rat
B. Man
C. Both
D. None
Answer» B. Man
14592.

Which of the following teeth are absent in a rat

A. Canines and molars
B. Incisors and molars
C. Incisors and premolars
D. Canines and premolars
Answer» E.
14593.

In frog, the ureter is a urinogenital duct in [CBSE PMT 1991, 92]

A. Male
B. Female
C. Male and female
D. Male or female
Answer» B. Female
14594.

Which of these is an ear ossicle in frog [CBSE PMT 1990]

A. Incus
B. Auricle
C. Malleus
D. Columella auris
Answer» E.
14595.

In frog [CBSE PMT 1991]

A. Acetycholine is the only neurotransmitter
B. Noradrenaline is the only neurotransmitter
C. Both acetycholine and noradrenaline act as neurotransmitters
D. Neither acetycholine nor noradrenaline acts as neurontransmitter
Answer» D. Neither acetycholine nor noradrenaline acts as neurontransmitter
14596.

Ninth cranial nerve of frog is

A. Trochlear
B. Trigeminal
C. Oculomotor
D. Glossopharyngeal
Answer» E.
14597.

Which of the following is a part of forebrain

A. Olfactory lobes
B. Cerebrum
C. Diencephalon
D. All of these
Answer» E.
14598.

Main excretory organs in a frog are

A. Skin
B. Lungs
C. Kidneys
D. Malphighian tubules
Answer» D. Malphighian tubules
14599.

When heart of frog is cut, it will [AFMC 1987]

A. Not beat at all
B. Stop beating soon after
C. Continue to beat for a long time it kept dry
D. Continue to beat for a long time it kept moist
Answer» E.
14600.

The scientific name of common toad is

A. Hyla arborea
B. Xenopus laevis
C. Bufo melanostictus
D. Bombinator igneus
Answer» D. Bombinator igneus