(b) The trigeminal nerve (V) is the fifth cranial nerve.
4. Universal donor blood group is
A
O
AB
B
(b) Blood group O is considered the universal donor because it lacks A and B antigens.
5. Which organ maintains acid base balance in body?
Heart
Kidney
Liver
Stomach
(b) The kidneys play a vital role in maintaining the acid-base balance in the body by regulating the levels of hydrogen ions and bicarbonate.
6. Botanical name of Tulsi is:
Papaver somniferum
Ocimum sanctum
Thea sinensis
Hevea braciliensis
(b) The botanical name of Tulsi (Holy Basil) is Ocimum sanctum.
7. Number of cranial vertebrate in human being is:
6
7
8
2
(c) There are 8 cranial bones in the human skull.
8. Islets of Langerhans are found in:
Stomach
Pancreas
Liver
Kidney
(b) The islets of Langerhans are regions in the pancreas that contain endocrine cells.
9. Which of the following is not an endocrine gland?
Ovary
Thyroid
Pancrease
Prostate
(d) The prostate gland is primarily an exocrine gland, secreting fluid that contributes to semen.
10. Anti Diuretic Hormone (ADH) is produced by:
Anterior pituitary
Posterior pituitary
Adrenal
Thyroid
(b) Antidiuretic hormone (ADH), also known as vasopressin, is produced by the hypothalamus and secreted by the posterior pituitary gland.
11. Hyperglycemia occurs in
Diabetes mellitus
Typhoid
Cancer
TB
(a) Hyperglycemia, or high blood sugar, is a characteristic feature of diabetes mellitus.
12. Leukemia is related to:
Blood
Lungs:
Brain
Heart
(a) Leukemia is a type of cancer of the blood and bone marrow.
13. Enzyme 'Amylase' is found in:
Sputum
Saliva
Tear
Sweat
(b) Amylase, an enzyme that breaks down starch, is found in saliva.
14. Sporogony in plasmodium takes place in:
Stomach wall of mosquito
RBC of man
Liver of man
Salivary gland of mosquito
(a) Sporogony, the sexual reproductive phase of Plasmodium, occurs in the stomach wall of the female Anopheles mosquito.
15. Which deals with structural organization and morphology of animals?
Euthenics
Tectology
Trophology
Ethology
(b) Tectology is the branch of morphology that deals with the structural organization of organisms.
16. When an animal eats its own excreta, it's called
Coprophagous
Saprophagy
Saprophyte
Coprophy
(a) An animal that feeds on its own feces is called coprophagous.
17. In Nucleic acids, Nucleotides are joined by:
Glycosidic bond
Phosphate group
Peptide
Hydrogen bond
(b) In nucleic acids, nucleotides are joined together by phosphodiester bonds involving the phosphate group.
18. How many teeth are found in lower jaw of frog?
No.
2
3
4
(a) Frogs typically lack teeth in their lower jaw.
19. Gestation period of rabbit is:
1 month
5 months
9 months
12 months
(a) The gestation period of a rabbit is approximately one month (around 31 days).
20. Haemoglobin is not found in the blood of:
Frog
Cockroach
Rabbit
Earthworm
(b) Cockroaches have an open circulatory system with hemolymph instead of blood containing hemoglobin for oxygen transport.
21. Poison ☠ present in Nematocyst of Hydra is:
Haematin
Hirudin
Heparin
Hypnotoxin
(d) The stinging cells (nematocysts) of Hydra contain a paralyzing neurotoxin called hypnotoxin.
22. Heparin is secreted by:
Plasma cells
Mast cells
Fibroblasts
Histocytes
(b) Heparin, an anticoagulant, is secreted by mast cells and basophils.
23. Larva of Tapeworm in Pork is:
Rhabditiform
Cercaria
Metacercaria
Cysticercos
(d) The larval stage of the pork tapeworm (Taenia solium) in pigs is called a cysticercus.
24. Flattened leaf like body belongs to:
Cestods
Nematods
Trematods
Cephalopods
(c) Trematodes (flukes) are parasitic flatworms that typically have a flattened, leaf-like body shape.
25. Some animals change their colour in accordance with change in climate. This is due to presence of:
Chromatophores
Keratin
Melanin
Eledin
(a) Chromatophores are pigment-containing cells found in many animals that allow them to change color.
26. Tadpole of frog is:
Herbivorous
Carnivorous
Insectivorous
Omnivorous
(a) Tadpoles, the larval stage of frogs, are typically herbivorous, feeding on algae and plant matter.
27. In certain plants, a number of roots are produced from the main stem and often from the branches. These roots grow vertically or obliquely downwards and penetrate into the soil. These roots are:
Nodulose
Fasiculated
Stilt
Napiform
(c) Stilt roots, also known as prop roots, arise from the lower part of the stem or branches and provide additional support to the plant.
28. How many times does a simple cell divide mitotically to form 32 cells?
5
6
16
8
(a) Starting with one cell, one division yields 2 cells (21), two divisions yield 4 cells (22), three divisions yield 8 cells (23), four divisions yield 16 cells (24), and five divisions yield 32 cells (25).
29. In which stage does Centromere divide?
Metaphase I
Anaphase I
Metaphase II
Anaphase II
(d) The centromeres divide during anaphase II of meiosis and anaphase of mitosis, allowing sister chromatids to separate.
30. Blue green algae is the name for:
Eubacteria
Cyanobacteria
Archebacteria
Bacteria
(b) Blue-green algae are also known as cyanobacteria, which are photosynthetic prokaryotes.
31. Which of these are flowering plants?
Thallphytes
Spermatophytes
Pteridophyes
Bryophytes
(b) Spermatophytes are seed-bearing plants, which include both gymnosperms and angiosperms (flowering plants).
32. The arrangement of floral whorls with respect to ovary is given by:
Perigyny, Epigyny, Hypogny
Thallophyta, Bryophta, Pteriophyta
Cleistogamy, Xenogamy, Geitonogamy
Placentation, Aestivation
(a) The terms hypogyny, perigyny, and epigyny describe the position of the floral parts (sepals, petals, and stamens) relative to the ovary.
33. Out of the water absorbed by plants, water actually used by them is:
1-2 %
3-5%
20-28%
90-95%
(a) Plants use only a small percentage (1-2%) of the water they absorb, primarily for photosynthesis and maintaining turgor pressure; the rest is lost through transpiration.
34. When anthers are fused and filaments are free, stamens are:
Monothecous
Monadelphous
Diadelphous
Syngenesious
(d) Syngenesious stamens have their anthers fused together, while the filaments are free.
35. Sporangia in Fern are found in:
Rhizome
Leaves
Stem
Roots
(b) In ferns, sporangia, which produce spores, are typically found on the underside of the leaves, often clustered in sori.
36. Bryophytes consists of:
Ferns
Algae
Mosses
Yeast
(c) Bryophytes are a group of non-vascular plants that includes mosses, liverworts, and hornworts.
37. Mango leaf 🍃 has which venation:
Divergent
Palmate
Convergent
Pinnate
(d) Mango leaves exhibit pinnate venation, where veins arise from a central midrib and branch off laterally.
38. Branched conidiophores are found in:
Yeast
Rhizopus
Penicillin
Algae
(c) Penicillium species are known for having branched conidiophores that bear chains of conidia (asexual spores).
39. The mixture of powdered charcoal and sand is separated by:
Hand 🖐 picking
Sieving
Washing
Electromagnetic separation
(b) Powdered charcoal and sand have different particle sizes, so they can be separated by sieving using a sieve with an appropriate mesh size.
40. True about colloidal solution is:
Particles have size 0.003 μ
Don’t show Brownian movement
Show tyndall effect
Have high osmotic pressure
(c) Colloidal solutions exhibit the Tyndall effect, which is the scattering of light by colloidal particles.
41. Which of the following acts as Bridge element
Li
Na
K
Mg
(d) Magnesium (Mg) shows a diagonal relationship with Lithium (Li) and acts as a bridge element exhibiting some similarities in properties with elements in the adjacent group.
42. Which elements forms diads?
Si
Cl
O
B
(c) Oxygen (O) typically forms diads, meaning it can form two chemical bonds.
43. How many grams of water is required to make saturated solution of 100 grams of KNO3 at 100°C if solubility at 100°C is 20?
100
200
300
500
(d) Solubility of KNO3 at 100°C is 20 g per 100 g of water. To dissolve 100 g of KNO3, we need (100/20) * 100 = 500 g of water to make a saturated solution.
44. Arrange these in increasing Atomic size
Na, K, P, N
N, P, Na, K
P, Na, K, N
K, N, Na, P
(b) Atomic size increases down a group and decreases across a period. The order of increasing atomic size is: N < P < Na < K.
45. When -OH group is linked with benzene, compound formed is:
Phenol
Benzaldehyde
Benzyl alcohol
Acetophenone
(a) When a hydroxyl (-OH) group is directly attached to a benzene ring, the compound formed is called phenol.
46. Moisture is removed from substance by:
Lixivation
Desiccation
Sublimation
Fractionation
(b) Desiccation is the process of removing moisture from a substance, typically by using a desiccator or drying agent.
47. Atomic number of Ca is:
11
20
40
19
(b) The atomic number of Calcium (Ca) is 20.
48. Reduction of Aldehyde geves
Acid
Alcohol
Ester
Alkyne
(b) Aldehydes are reduced to primary alcohols.
49. If phenolphthalein is added to alkali colour changes to:
Purple
Orange
Pink
Red
(c) Phenolphthalein is a pH indicator that turns pink in alkaline solutions.
50. 1 eV is expressed in 1.602 × 10-19…..
Joules
Watt
Volt
Ergs
(a) One electronvolt (eV) is equal to 1.602 × 10-19 Joules.
51. In metals, conduction of electricity is due to:
Free electrons
Bound electrons
Ions
Atoms
(a) Metals have a sea of free electrons that are responsible for their high electrical conductivity.
52. Instrument used to measure temperature by radiation method is:
Pyrometer
Radiomicrometer
Thermometer
Barometer
(a) A pyrometer is a non-contact instrument used to measure high temperatures by detecting the thermal radiation emitted by an object.
54. The time taken to reduce a substance to 〖1/8〗^th of the original value is 6 days. Its harld life is:
2 days
4 days
12 days
3/4 days
(a) Reducing to 1/8th of the original value means it has undergone 3 half-lives (1/2 -> 1/4 -> 1/8). If 3 half-lives take 6 days, then one half-life is 6/3 = 2 days.
55. A bulb is rated at 100 V, 220 W, when the voltage drops by 2%, then change in power of bulb is
Increases by 2%
Increases by 4%
Decreases by 2%
Decreases by 4%
(d) Power P = V2/R. For a constant resistance, P ∝ V2. If voltage drops by 2%, the new voltage is 0.98V. New power P' ∝ (0.98V)2 = 0.9604V2 = 0.9604P. Change in power = (P' - P) / P * 100 = (0.9604P - P) / P * 100 = -0.0396 * 100 ≈ -4%. Power decreases by approximately 4%.
56. Emission of electrons from the surface of metal by action of light on it is:
Thermionic emission
Photoelectric emission
Electronic emission
Cold emission
(b) The emission of electrons from a metal surface when light of sufficient frequency is incident on it is called photoelectric emission.
57. Rise of oil in wick of lamp is due to:
Surface tension
Viscosity
Elasticity
Capillarity
(d) The rise of oil in the wick of a lamp is due to capillarity, the ability of a liquid to flow in narrow spaces without the assistance of, or even in opposition to, external forces like gravity.
58. Terms used for re-emission of light from substance when light is cur off is:
Fluorescence
Phosphorescence
Interference
Diffraction
(b) Phosphorescence is the phenomenon where a substance continues to emit light for a significant time after the exciting light source is removed.
59. 8 drops of Hg each of 1 V coalesce to form 1 drop. What's the potential of the larger drop?
(d) Let the radius of each small drop be r and charge be q. Potential V = kq/r = 1V. For 8 drops, total charge Q = 8q. Volume of big drop = 8 * (4/3)πr3 = (4/3)πR3 => R = 2r. Potential of larger drop V' = kQ/R = k(8q)/(2r) = 4(kq/r) = 4V.
60. Velocity of sound in air isn't dependent on:
Pressure
Temperature
Moisture
Composition of air
(a) The velocity of sound in air is independent of changes in pressure at constant temperature.
61. Space around magnet up to which its influence is felt is:
Magnetic intensity
Magnetic field
Magnetic lines of force
Magnetic permeability
(b) The space around a magnet where its magnetic influence can be detected is called the magnetic field.
62. Benzene deactivating group is
-OH
-CH3
-C2H5
-Cl
(d) -Cl (Chlorine) is an example of a deactivating group that is also ortho/para directing due to resonance.
