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NEET Biology MCQS Mock Test Paper 18
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1. Mostly; the flesh of fruit is made of
Collenchyma
Parenchyma
Meristem
Schlerids
2. Prosenchyma is a type of
Chlorenchyma
Collenchyma
Sclerenchyma
Parenchyma
3. The tissue where cells are thin-walled; living; isodiametric along with intercellular spaces is
Arenchyma
Prosenchyma
Collenchyma
Parenchyma
4. The main purpose that the aerenchyma serves in Parenchyma is
Offers flexibility
Renders Buoyancy
Provides structural framework
Provides mechanical support
5. Which of this is not a function that Parenchyma performs
Stores nutrients and food
Aids in regeneration; healing and repairs wounds
Provides foundation and support
None of these
6. The tissue that provides maximum mechanical strength to the plant is
Xylem
Phloem
Parenchyma
Collenchyma
7. Parenchyma cells in the spongy mesophyll exhibit large intercellular spaces promoting:
To become nutrients for the future germinating embryo
Greater exposure to carbon dioxide
To distribute pressure evenly through the structure
No specific reason
8. Vessels are found in
Most of the angiosperms and few gymnosperms
All angiosperms and some gymnosperms
All angiosperms; all gymnosperms and some pteridophytes
All pteridophytes
9. Amongst honey bees; the workers are:
Female
Male
Both females and males
Hermaphrodite
10. The generic name of which of these is Apis?
Fish
Honey bee
Lac insect
Prawn
11. Apis dorsata is used to refer to
Little bee
Indian bee
European bee
Rock bee
12. The honey bee is of greatest use to mankind as:
It is of medicinal benefits
Helps in cross-pollination
We get honey from them
None of these
13. The division of cytoplasm is known as
Mitosis
Synapsis
Cytokinesis
Karyokinesis
14. The stage in which chromosomes align on the equator of spindle fiber is
Telophase
Anaphase
Metaphase
Prophase
15. The best stage at which the total number of chromosomes can be counted in any species is
Telophase
Metaphase
Late anaphase
Late prophase
16. Balbiani rings are found in
Heterosome
Lampbrush chromosome
Autosome
Polytene chromsome
17. This structure tends to vanish always during meiosis and mitosis
Plastids
Plasma membrane
Nucleolus and nuclear membrane
All of these
18. Centrosome duplication takes place in this phase
S phase
G1 phase
G0 phase
M phase
19. The __________ checkpoint is also known as restriction point
G1 checkpoint
G2 checkpoint
M checkpoint
None of these
20. The characteristic of this stage of mitosis is the separation of the sister chromatids
Telophase
Metaphase
Prometaphase
Anaphase
21. This condition is necessary for a cell to qualify through the G2 checkpoint
Cell should be of a size sufficient enough
Complete and accurate DNA replication
Sufficient stockpile of nucleotides
Complete attachment of mitotic spindle fibers to kinetochores
22. Individual chromosomes become distinct through a light microscope during this mitotic stage
Prometaphase
Prophase
Anaphase
Metaphase
23. Which of the following is a type of autosomal recessive genetic disorder?
Haemophilia
Skeletal dysplasia
Sickle cell anaemia
None of the above
24. Which of the following disorder is also called the Royal disease?
Colour blindness
Haemophilia
Sickle cell anaemia
Alzheimer’s disease
25. Which of the following disorder is an example of point mutation?
Sickle cell anaemia
Down’s syndrome
Night blindness
Thalassemia
26. If the father in a family has a disease while the mother is normal; the daughters only are inherited by this disease and not the sons. Name this type of disease?
Autosomal recessive
Autosomal dominant
Sex-linked recessive
Sex-linked dominant
27. Which of the following genotypes and phenotypes in a man may be the correct result of aneuploidy in sex chromosomes?
22 pairs + Y females
22 pairs + XY females
22 pairs + XXY females
22 pairs + XXXY females
28. What will be the condition of the progeny if the father is normal; while the mother has one gene for haemophilia and one gene for colour blindness on one of the X chromosomes?
Only daughters are haemophilic and colour blind
Both sons and daughters will be haemophilic and colour blind
50 per cent haemophilic and colour blind sons and 50% normal sons
50 per cent haemophilic colour blind daughters and 50% colour blind daughters
29. Cystic fibrosis is an autosomal recessive genetic disorder. What are the chances that the child would have the disease if any one of the parent (either mother or father)is a carrier of the faulty cystic fibrosis gene (Cc)?
100 per cent
50 per cent
25 per cent
0 per cent
30. Alpha 1 anti-trypsin deficiency is an autosomal recessive genetic disorder. What are the chances that any of the offspring do not express the disease phenotype if both parents are genotype (Aa)?
100 per cent
75 per cent
50 per cent
25 per cent
31. Which of the following is a trait of X-linked recessive?
Albinism
Haemophilia
Huntington’s disease
None of these
32. The mode of inheritance for the trait – Fragile X syndrome is________.
X linked dominant
X linked recessive
Autosomal dominant
Autosomal recessive
33. This statement about epithelial tissue is incorrect
epithelial cells rest on a cellular basement membrane splitting it from underlying connective tissues
covers the external body surface and the internal surface of some organs
adjacent cells are held by cell junctions with very little extracellular material
No blood vessels that supply nutrients to the epithelial cells
34. The large amoeboid cells found in areolar tissue and are also part of our innate immune system are known as:
Mast cells
Macrophages
Adipocytes
Fibroblasts
35. What are the glands referred to as when secretary granules leave cells by exocytosis with no loss of other cellular material
Merocrine
Holocrine
Autocrine
Apocrine
36. In humans; bipolar neurons are found in
Spinal cord
Brain
Olfactory epithelium
Embryonic phases
37. This about Periplaneta americana is incorrect
Mosaic vision
Excretion by structures – malphigian tubules
Paurometabolous development
Hemolymph delivers oxygen to tissues
38. This structure has dense irregular connective tissue
Cartilage
Ligaments
Tendons
Skin
39. In the bodies of complex animals; the most widely distributed and abundant tissue is
Neural
Muscular
Connective
Epithelium
40. Sperms are stored in which part of the reproductive system in male cockroaches
Mushroom glands
Seminal vesicles
Testes
Vas deferens
41. The role of the gap junction is to
separate two cells from each other
Prevent substances from leaking across a tissue
Carry out cementing to keep adjacent cells together
Enable communication between adjoining cells by connecting the cytoplasm for quick ion transfer; small molecules and some large molecules
42. In comparison with humans; the erythrocytes in frogs are
nucleated along with the presence of haemoglobin
no nucleus but with haemoglobin
few and very much small
nucleated and without haemoglobin
43. The first cloned sheep ‘Dolly’ was created through which of these techniques?
Nuclear transfer
Gene transfer
Germinal cell transfer
Somatic cell transfer
44. Polenske value of milk is due to
Fats
Water-soluble fatty acids
Water-insoluble fatty acids
Proteins
45. Lactose found in milk is a disaccharide composed of
Glucose and glucose
Glucose and fructose
Maltose and glucose
Galactose and glucose
46. The lightest body weighed goat is
Beetal
Barbari
Jamnapari
Toggenburg
47. This method is carried out for the castration of male pigs
Burdizzo
Hot iron
Knife
Elastrator
48. The chemical nature of Estrogen is
Amino acid
Protein
Fatty acid
Steroid
49. In animals; Grass tetany is caused due to deficiency of
Silicon
Sodium
Magnesium
Selenium
50. Strip cup is used
Just after milking
Just before milking
At the middle of milking
Anytime during milking
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