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1 ï»¿Â Mostly; the flesh of fruit is made of

A Collenchyma B Parenchyma C Meristem D Schlerids

✅ Correct Answer: 2

2 Prosenchyma is a type of

A Chlorenchyma B Collenchyma C Sclerenchyma D Parenchyma

✅ Correct Answer: 4

3 The tissue where cells are thin-walled; living; isodiametric along with intercellular spaces is

A Arenchyma B Prosenchyma C Collenchyma D Parenchyma

✅ Correct Answer: 4

4 The main purpose that the aerenchyma serves in Parenchyma is

A Offers flexibility B Renders Buoyancy C Provides structural framework D Provides mechanical support

✅ Correct Answer: 2

5 Which of this is not a function that Parenchyma performs

A Â Stores nutrients and food B Aids in regeneration; healing and repairs wounds C Provides foundation and support D Â None of these

✅ Correct Answer: 4

6 The tissue that provides maximum mechanical strength to the plant is

A Xylem B Phloem C Parenchyma D Collenchyma

✅ Correct Answer: 1

7 Parenchyma cells in the spongy mesophyll exhibit large intercellular spaces promoting:

A To become nutrients for the future germinating embryo B Â Greater exposure to carbon dioxide C Â To distribute pressure evenly through the structure D No specific reason

✅ Correct Answer: 2

8 Vessels are found in

A Most of the angiosperms and few gymnosperms B All angiosperms and some gymnosperms C All angiosperms; all gymnosperms and some pteridophytes D All pteridophytes

✅ Correct Answer: 1

9 Amongst honey bees; the workers are:

A Â Female B Male C Both females and males D Hermaphrodite

✅ Correct Answer: 1

10 The generic name of which of these is Apis?

A Fish B Â Honey bee C Lac insect D Â Prawn

✅ Correct Answer: 2

11 Apis dorsataÂ is used to refer to

A Little bee B Indian bee C Â European bee D Rock bee

✅ Correct Answer: 4

12 Â The honey bee is of greatest use to mankind as:

A Â It is of medicinal benefits B Helps in cross-pollination C Â We get honey from them D None of these

✅ Correct Answer: 2

13 The division of cytoplasm is known as

A Mitosis B Synapsis C Â Cytokinesis D Karyokinesis

✅ Correct Answer: 3

14 The stage in which chromosomes align on the equator of spindle fiber is

A Telophase B Anaphase C Metaphase D Prophase

✅ Correct Answer: 3

15 The best stage at which the total number of chromosomes can be counted in any species is

A Â Telophase B Metaphase C Â Late anaphase D Late prophase

✅ Correct Answer: 2

16 Balbiani rings are found in

A Heterosome B Lampbrush chromosome C Autosome D Polytene chromsome

✅ Correct Answer: 4

17 Â This structure tends to vanish always during meiosis and mitosis

A Plastids B Plasma membrane C Nucleolus and nuclear membrane D All of these

✅ Correct Answer: 3

18 Centrosome duplication takes place in this phase

A S phase B G1 phase C G0 phase D Â M phase

✅ Correct Answer: 1

19 The __________ checkpoint is also known as restriction point

A G1 checkpoint B G2 checkpoint C M checkpoint D None of these

✅ Correct Answer: 1

20 The characteristic of this stage of mitosis is the separation of the sister chromatids

A Telophase B Metaphase C Prometaphase D Anaphase

✅ Correct Answer: 4

21 This condition is necessary for a cell to qualify through the G2 checkpoint

A Cell should be of a size sufficient enough B Complete and accurate DNA replication C Sufficient stockpile of nucleotides D Â Complete attachment of mitotic spindle fibers to kinetochores

✅ Correct Answer: 2

22 Individual chromosomes become distinct through a light microscope during this mitotic stage

A Prometaphase B Prophase C Anaphase D Metaphase

✅ Correct Answer: 2

23 Which of the following is a type of autosomal recessive genetic disorder?

A Â Haemophilia B Skeletal dysplasia C Â Sickle cell anaemia D None of the above

✅ Correct Answer: 3

24 Which of the following disorder is also called the Royal disease?

A Â Colour blindness B Haemophilia C Sickle cell anaemia D Alzheimerâ€™s disease

✅ Correct Answer: 2

25 Which of the following disorder is an example of point mutation?

A Sickle cell anaemia B Downâ€™s syndrome C Night blindness D Thalassemia

✅ Correct Answer: 1

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?

A Autosomal recessive B Â Autosomal dominant C Sex-linked recessive D Sex-linked dominant

✅ Correct Answer: 4

27 Which of the following genotypes and phenotypes in a man may be the correct result of aneuploidy in sex chromosomes?

A 22 pairs + Y females B Â 22 pairs + XY females C Â 22 pairs + XXY females D 22 pairs + XXXY females

✅ Correct Answer: 3

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?

A Â OnlyÂ daughters are haemophilic and colour blind B Â Both sons and daughters will be haemophilic and colour blind C 50 per centÂ haemophilic and colour blind sons and 50% normal sons D 50 per cent haemophilic colour blind daughters and 50% colour blind daughters

✅ Correct Answer: 3

29 Cystic fibrosis is an autosomal recessive genetic disorder.Â 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)?

A 100Â per cent B 50Â per cent C 25Â per cent D 0Â per cent

✅ Correct Answer: 4

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)?

A 100 per cent B 75Â per cent C 50Â per cent D 25Â per cent

✅ Correct Answer: 2

31 Which of the following is a trait of X-linked recessive?

A Albinism B Haemophilia C Huntingtonâ€™s disease D None of these

✅ Correct Answer: 2

32 The mode of inheritance for the trait â€“ Fragile X syndrome is________.

A Â X linked dominant B X linked recessive C Autosomal dominant D Autosomal recessive

✅ Correct Answer: 1

33 This statement about epithelial tissue is incorrect

A epithelial cells rest on a cellular basement membrane splitting it from underlying connective tissues B covers the external body surface and the internal surface of some organs C adjacent cells are held by cell junctions with very little extracellular material D No blood vessels that supply nutrients to the epithelial cells

✅ Correct Answer: 1

34 The large amoeboid cells found in areolar tissue and are also part of our innate immune system are known as:

A Mast cells B Macrophages C Adipocytes D Fibroblasts

✅ Correct Answer: 2

35 What are the glands referred to as when secretary granules leave cells by exocytosis with no loss of other cellular material

A Â Merocrine B Holocrine C Â Autocrine D Apocrine

✅ Correct Answer: 1

36 In humans; bipolar neurons are found in

A Â Spinal cord B Â Brain C Â Olfactory epithelium D Embryonic phases

✅ Correct Answer: 3

37 This aboutÂ Periplaneta americanaÂ is incorrect

A Mosaic vision B Â Excretion by structures â€“ malphigian tubules C Paurometabolous development D Hemolymph delivers oxygen to tissues

✅ Correct Answer: 4

38 This structure has dense irregular connective tissue

A Cartilage B Â Ligaments C Tendons D Skin

✅ Correct Answer: 4

39 Â In the bodies of complex animals; the most widely distributed and abundant tissue is

A Neural B Muscular C Connective D Â Epithelium

✅ Correct Answer: 3

40 Sperms are stored in which part of the reproductive system in male cockroaches

A Mushroom glands B Seminal vesicles C Testes D Vas deferens

✅ Correct Answer: 2

41 The role of the gap junction is to

A separate two cells from each other B Prevent substances from leaking across a tissue C Carry out cementing to keep adjacent cells together D Enable communication between adjoining cells by connecting the cytoplasm for quick ion transfer; small molecules and some large molecules

✅ Correct Answer: 4

42 Â In comparison with humans; the erythrocytes in frogs are

A nucleated along with the presence of haemoglobin B no nucleus but with haemoglobin C few and very much small D nucleated and without haemoglobin

✅ Correct Answer: 1

43 The first cloned sheep â€˜Dollyâ€™ was created through which of these techniques?

A Nuclear transfer B Gene transfer C Germinal cell transfer D Somatic cell transfer

✅ Correct Answer: 4

44 Polenske value of milk is due to

A Fats B Â Water-soluble fatty acids C Water-insoluble fatty acids D Proteins

✅ Correct Answer: 3

45 Lactose found in milk is a disaccharide composed of

A Glucose and glucose B Glucose and fructose C Maltose and glucose D Galactose and glucose

✅ Correct Answer: 4

46 The lightest body weighed goat is

A Â Beetal B Â Barbari C Jamnapari D Toggenburg

✅ Correct Answer: 2

47 This method is carried out for the castration of male pigs

A Burdizzo B Â Hot iron C Knife D Elastrator

✅ Correct Answer: 3

48 The chemical nature of Estrogen is

A Â Amino acid B Â Protein C Â Fatty acid D Â Steroid

✅ Correct Answer: 4

49 Â In animals; Grass tetany is caused due to deficiency of

A Silicon B Sodium C Magnesium D Selenium

✅ Correct Answer: 3

50 Strip cup is used

A Just after milking B Just before milking C At the middle of milking D Anytime during milking

✅ Correct Answer: 2

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NEET Biology MCQS Mock Test Paper 18