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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 | |