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AFMC Biology Mock Test - 3
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AFMC Biology Mock Test - 3 for NEET 2023 is part of AFMC Mock Test Series preparation. The AFMC Biology Mock Test - 3 questions and answers have been
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Detailed Solution for AFMC Biology Mock Test - 3 - Question 1
Argentaffian cells also called enteroendocrine cells... Present in basal parts of gastric glands.
Detailed Solution for AFMC Biology Mock Test - 3 - Question 2
About 85percent starch are digested in oral cavity by the action of saliva .
Detailed Solution for AFMC Biology Mock Test - 3 - Question 3
HeLa (/ˈheɪlɑː/; also Hela or hela) is an immortal cell line used in scientific research. It is the oldest and most commonly used human cell line. The line was derived from cervical cancer cells taken on February 8, 1951 from Henrietta Lacks, a patient who died of cancer on October 4, 1951.
Detailed Solution for AFMC Biology Mock Test - 3 - Question 4
Rugae is a term used in anatomy that refers to a series of ridges produced by folding of the wall of an organ. Most commonly the term is applied to the internal surface of the stomach (gastric rugae).
AFMC Biology Mock Test - 3 - Question 5
The functional units for absorption of digested food are
Detailed Solution for AFMC Biology Mock Test - 3 - Question 5
Villi , finger like projections present in the intestine, are helpful in absorption. The tiny hair like projections micro villi present on villi helps in more absorption by giving out more surface area
where as
Crypts of Lieberkuhn are the glands present on the bases in between the villi secreting intestinal juice.
Brunners glands are the submucosal glands of duodenum.
Peyer's patches are small masses of lymphatic tissue present in the ileum region of small intestine.
where as
Crypts of Lieberkuhn are the glands present on the bases in between the villi secreting intestinal juice.
Brunners glands are the submucosal glands of duodenum.
Peyer's patches are small masses of lymphatic tissue present in the ileum region of small intestine.
AFMC Biology Mock Test - 3 - Question 6
During prolonged fasting, first of all fats are used up and then
Detailed Solution for AFMC Biology Mock Test - 3 - Question 7
Parietal cells also known as oxyntic cells are the epithelial cells that secrete HCl and intrinsic factors . This cells are located in gastric glands .Function Gastric secretion and intrinsic factors secretion.
AFMC Biology Mock Test - 3 - Question 8
Starting from outside, the layer present in intestinal wall, are
Detailed Solution for AFMC Biology Mock Test - 3 - Question 8
From the inside out they are called: mucosa, submucosa, muscularis, and serosa. The mucosa is the innermost layer, and functions in absorption and secretion. It is composed of epithelium cells and a thin connective tissue. The mucosa contains specialized goblet cells that secrete sticky mucus throughout the GI tract.
AFMC Biology Mock Test - 3 - Question 9
The conversion of absorbed food material, into complex molecules, is termed as
Detailed Solution for AFMC Biology Mock Test - 3 - Question 9
The conversion of absorbed food in complex substances such as proteins and vitamins required by body is called assimilation
AFMC Biology Mock Test - 3 - Question 10
In diploid zygote, chromosome number is 40. Chromosome number in a gamete will be
AFMC Biology Mock Test - 3 - Question 12
The "biological clock" in higher vertebrates is regulated by:
Detailed Solution for AFMC Biology Mock Test - 3 - Question 12
Option D is correct hypothalamus and pineal gland is regulating biological clock.
Detailed Solution for AFMC Biology Mock Test - 3 - Question 13
The adrenal glands are small glands located on top of each kidney. They produce hormones that you can't live without, including sex hormones and cortisol. Cortisol helps you respond to stress and has many other important functions. With adrenal gland disorders, your glands make too much or not enough hormones.
Detailed Solution for AFMC Biology Mock Test - 3 - Question 16
Dryopithecus had a semierect posture and is generally believed to be ancestral to modern apes and man. Proconsul, a group of fossil apes that may have been the ancestor of the chimpanzee, is considered by some authorities to be a subgroup of Dryopithecus.
Detailed Solution for AFMC Biology Mock Test - 3 - Question 18
There are three main types of blood cancers: Leukemia, a type of cancer found in your blood and bone marrow, is caused by the rapid production of abnormal white blood cells.Over time, these cancerous cells impair your immune system. Myeloma is a cancer of the plasma cells.
Detailed Solution for AFMC Biology Mock Test - 3 - Question 19
The treatment of inherited diseases by introducing wild type copies of the defective gene is called gene therapy for example introduction of gene for adenosine deaminase in person suffering from Severe Combined Immuno-Deficiency (SCID).
AFMC Biology Mock Test - 3 - Question 20
A man known to be victim of haemophilia marries a normal women, whose father was known to be a bleeder. Then it is expected that
Detailed Solution for AFMC Biology Mock Test - 3 - Question 22
The Aschelminthes, closely associated with the Platyhelminthes, are an obsolete phylum of pseudocoelomate and other similar animals that are no longer considered closely related and have been promoted to phyla in their own right The fluid-filled pseudocoelom of these animals can function as a hydrostatic skeleton, which can be useful in drilling through soil or a host's body tissue. Another group that we will study, Annelids, also have hydrostatic skeletons. Rotifers are pseudocoelomates that are an important part of the zooplankton.
Detailed Solution for AFMC Biology Mock Test - 3 - Question 23
Ascariasis can be treated by antihelminthetic drugs such as Alcopar, Antipar, santonin, chenopodium oil and Tetrachloroethylene etc.
AFMC Biology Mock Test - 3 - Question 24
Male and female cockroaches can be distinguished externally through
Detailed Solution for AFMC Biology Mock Test - 3 - Question 24
The body of male cockroach is smaller than the female. ... The antennae of male cockroach are smaller than that of the females. 5. In the 9th sternum of abdomen a pair of small, un-jointed anal styles and in the 10th tergum of abdomen a pair of long, palp-like jointed anal cerci are present.
AFMC Biology Mock Test - 3 - Question 25
A frog with body temperature of 20°C is transferred to an area with 30°C temperature. What will be the body temperature of frog in the new environment?
Detailed Solution for AFMC Biology Mock Test - 3 - Question 25
Some animals maintain their body temperature within a narrow range.
There are two types of animals- Endotherms and Ectotherms.
Endotherms:- They use internal heat to maintain their body temperature. This internal temp. is independent of outside temperature.Examples include mammals and birds.
Ectotherms:-These organisms are not able to maintain their own body temp. so they depend on external environment. Example-snakes,amphibians,reptiles,fish.
So the frog's[as it is a amphibian] body temp. in the new environment would be 30 centigrade.
Detailed Solution for AFMC Biology Mock Test - 3 - Question 26
Diversity of vertebrates: animals with backbones: The subphylum Vertebrata contains all animals that possessbackbones, gills, and a central nervous system in at least one phase of development. Vertebrates include amphibians, reptiles, mammals, and birds, as well as the jawless fishes, bony fishes, sharks, and rays.
Detailed Solution for AFMC Biology Mock Test - 3 - Question 27
Human beings have a normal core, or internal, temperature of around 37 degrees Celsius, which is equivalent to around 98.6 degrees Fahrenheit. This is the temperature at which the human body's systems work together at their optimum, which is the reason the body has such tightly regulated mechanisms.
Detailed Solution for AFMC Biology Mock Test - 3 - Question 28
Axolotl. The Axolotl, Ambystoma mexicanum, is the best known of the Mexican mole salamanders: it belongs to the Tiger Salamander complex. The Axolotl shows neoteny: the larvae do not undergo metamorphosis, so the adults stay aquatic, with external gills.
Detailed Solution for AFMC Biology Mock Test - 3 - Question 29
Correct Answer: B
Solution :
Haxacanth moves in the body and ultimately settles in the muscles of secondary host (pig). Here it forms an encysted bladderworm or cysticercus. Cysticercus remain viable for upto six months.
AFMC Biology Mock Test - 3 - Question 30
Tiny free living animals on the surface of water constitute
Detailed Solution for AFMC Biology Mock Test - 3 - Question 31
The wishbone, or furcula, which forms from the dermal part of the girdle, consists of two clavicles united in the midline by the interclavicle. Carinate birds (those with a keeled sternum) possess a sabre-shaped scapula and a stout coracoid process, joined by ligaments at the point.
AFMC Biology Mock Test - 3 - Question 32
Carrageenin, a jelly-like substance, is obtained from a marine alga called
Detailed Solution for AFMC Biology Mock Test - 3 - Question 32
It is now sometimes called filtered carrageenan. It was first made from Chondrus crispus, but now the process is applied to all of the above algae. The seaweed is washed to remove sand, salts and other foreign matter.
AFMC Biology Mock Test - 3 - Question 35
A bisexual flower which always remains closed is called
Detailed Solution for AFMC Biology Mock Test - 3 - Question 35
Within the floret is the apetalous, bisexual grass flower consisting of a gynoecium (pistil) and three stamens (androecium). Grasses are typically wind-pollinated, although some species have cleistogamous, self-pollinated flowers that remain closed within the bracts of the floret.
AFMC Biology Mock Test - 3 - Question 36
If the anthers are fused to form a tubular structure whereas the filaments remain free,the condition is termed as
AFMC Biology Mock Test - 3 - Question 37
In true sense, the equilibrium in mammals are situated in the
Detailed Solution for AFMC Biology Mock Test - 3 - Question 37
The vestibule present in the inner ear provides static equilibrium and semicircular canal is responsible for the dynamic equilibrium in mammalian ear.CORRECT OPTION IS D.
Detailed Solution for AFMC Biology Mock Test - 3 - Question 39
In monocot stem like Zea mays, vascular bundles are conjoint, collateral and closed. In vascular bundles, the lowermost protoxylem vessels, and xylem parenchyma cells dissolve forming a water containing schizolysigenous cavity called protoxylem cavity or lacuna or lysigenous cavity.
Detailed Solution for AFMC Biology Mock Test - 3 - Question 40
The chemical signal is conducted in the synapse and electrical in the nerve cell.
Detailed Solution for AFMC Biology Mock Test - 3 - Question 41
An odor, or odour, is caused by one or more volatilized chemical compounds that are generally found in low concentrations that humans and animals can perceive by their sense of smell Jacobson's organ, also called vomeronasal organ, an organ of chemoreception that is part of the olfactory system of amphibians, reptiles, and mammals, although it does not occur in all tetrapod groups. It is a patch of sensory cells within the main nasal chamber that detects heavy moisture-borne odour particles.
AFMC Biology Mock Test - 3 - Question 42
Hippuric acid, creatinines and ketones are added to urine through
AFMC Biology Mock Test - 3 - Question 43
A very efficient converter of solar energy with net productivity of 2-4 kg/m₂ or more is the crop of
Detailed Solution for AFMC Biology Mock Test - 3 - Question 43
In C4-plants, (e.g. maize, sugarcane, sorghum) optimum temperature oi photosynthesis is 30-45degC. In C4-plants, rate of net photosynthesis in full sunlight is (40-80 mg CO2 / dm2 )which is more than the rate of net photosynthesis (15-35 mg CO2 /dm2 / hr) at optimum sunlight in C3-plants.
AFMC Biology Mock Test - 3 - Question 44
The type of fossil where hard parts like bone or trunks of trees are preserved are known as
Detailed Solution for AFMC Biology Mock Test - 3 - Question 46
Yes the answer is pomegranate as the eatable part of pomegranate are itself seeds.
AFMC Biology Mock Test - 3 - Question 47
In grasses, what happens in microspore mother cell for the formation of mature pollen grains
Detailed Solution for AFMC Biology Mock Test - 3 - Question 47
Correct Answer: C
Solution :
Pollen mother cell is a diploid structure which undergoes one meiotic division and produces four haploid pollen grains or microspores. Pollen grain is the first cell of male gametophyte.
Detailed Solution for AFMC Biology Mock Test - 3 - Question 48
There is no explanation u have to learn it
in larynx 6 type of 9 cartilages are present
arytenoid (2)
cricoid (1)
corniculate (2)
Thyroid (1)
elastin (1)
cuneiform (2)
in larynx 6 type of 9 cartilages are present
arytenoid (2)
cricoid (1)
corniculate (2)
Thyroid (1)
elastin (1)
cuneiform (2)
AFMC Biology Mock Test - 3 - Question 49
Colchicum autumnale yields colchicine. Which belongs to family-
Detailed Solution for AFMC Biology Mock Test - 3 - Question 49
It belongs to the family liliaceae. colchicine inhibits the spindle formation during cell division.
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