KPSC/KAS/PSI/FDA Exam General Science MCQs Part-1


KPSC/KAS/PSI/FDA Exam Biology MCQs Part-1


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1. Blood cells do not shrink in blood because blood is ​

(a)​hypertonic

​(b)​isotonic

​(c)​equimolar

​(d)​hypotonic

2.​ Xylem tissue is mainly concerned with the

​(a)​Photosynthesis of plants ​

(b)​Transport of water and mineral nutrients in plants ​

(c)​Storage of prepared foods in plants

​(d)​Transport of enzymes in plants

3.​Antigen is a substance which ​

(a)​lowers body temperature

​(b)​destroys harmful bacteria ​

(c)​triggers the immune system ​

(d)​is used as an antidote to poison

4.​Which organelle in the cell, other than nucleus contains DNA ? ​

(a)​Centriole ​

(b)​Golgi apparatus

​(c)​Lysosome

​(d)​Mitrochondrion

5.​When one gene controls two or more different characters simultaneously, the phenomenon is called ​

(a)​Apomixis

​(b)​Pleiotropy ​

(c)​Polyploidy ​

(d)​Polyteny

6.​Which of the following does not have any enzymes in its cells ?

​(a)​Algae ​

(b)​Virus

​(c)​Lichen

​(d)​Bacteria

7.​Which of the following has the largest number of chromosomes ? ​

(a)​Human beings ​

(b)​Pteridophytes ​

(c)​Elephants ​

(d)​Bryophytes

8.​The phenomenon of genetic mutation can not occur in 

​(a)​DNA

​(b)​RNA ​

(c)​chromosome ​

(d)​ribosome

9.​The main function of the Golgi body is

​(a)​respiration

​(b)​to begin cell division

​(c)​to produce gastric juice ​

(d)​secretion

10.​Which of the following blood group is called universal donor ?

​(a)​A+

​(b)​B+

​(c)​O+

​(d)​AB+

11.​In plants, which one of the following tissues is dead ? ​

(a)​Parenchyma

​(b)​Collenchyma ​

(c)​Sclerenchyma

​(d)​Phloem

12.​Which one of the following is considered as a cell within a cell ? ​

(a)​Ribosome ​

(b)​Chloroplast ​

(c)​Lysosome

​(d)​Golgi complex

13.​Which of the following contain enzymes for cellular respiration? ​

(a)​Dictyosomes

​(b)​Endoplasmic reticulum

​(c)​Lysosomes ​

(d)​Mitochondria

14.​Which one among the following cell organelles is semi-permeable? ​

(a)​Cell membrane ​

(b)​Plasma membrane

​(c)​Cell wall ​

(d)​Nucleus

15.​Which one among the following nutrients is a structural component of the cell wall of plants? ​

(a)​Manganese

​(b)​Potassium ​

(c)​Phosphorus

​(d)​Calcium

16.​Certain parts of a plant can be bent easily without breaking. This flexibility in certain parts, like leaf and stem, can be attributed to the abundance of ​

(a)​parenchyma

​(b)​collenchyma

​(c)​sclerenchyma ​

(d)​xylem and phloem

17.​In which one of the following antibody formations formations takes place?

​(a)​RBCs ​

(b)​Blood Platelets ​

(c)​Blood Plasma cells ​

(d)​Donnan’s membrane

18.​An individual whose blood type is B may in an emergency, donate blood to a person whose blood type is ​

(a)​B or A ​

(b)​AB or A ​

(c)​A or O ​

(d)​AB or B

19.​Carbohydrates are stored in plants and animals in the form of

​(a)​cellulose and glucose respectively ​

(b)​starch and glycogen respectively

​(c)​starch and glucose respectively

​(d)​cellulose and glycogen respectively

20.​Which of the following groups is present in animal cells? ​(a)​Mitochondria, Cell membrane, Cell wall, Cytoplasm

​(b)​Chloroplasts, Cytoplasm, Vacuole, Nucleus

​(c)​Nucleus, Cell membrane, Mitochondria, Cytoplasm ​

(d)​Vacuole, Cell membrane, Nucleus, Mitochondria

21.​Average life span of human R.B.C is ​

(a)​100 days ​

(b)​90 days ​

(c)​120 days ​

(d)​None of these

22.​Cells which takes part in secondary growth are named as

(a)​phloem ​

(b)​xylem ​

(c)​cambium ​

(d)​medullary ray

23.​Blood and lymph are types of ​

(a)​muscular tissue ​

(b)​epithelial tissue

​(c)​connective tissue ​

(d)​permanent tissue

24.​Which one of the following is not a constituent of cell membrane?

​(a)​Cholesterol

​(b)​Glycolipids

​(c)​Proline

​(d)​Phospholipids

25.​The replication of DNA is a pre-requisite for a eukaryotic cell to undergo division. During the cell cycle, the DNA replicates in ​

(a)​S-phase

​(b)​G1-phase

​(c)​G2-phase ​

(d)​M-phase

26.​During which stage of mitosis does cytokinesis usually occur in animals? ​

(a)​Prophase ​

(b)​Metaphase ​

(c)​Anaphase ​

(d)​Telophase

27.​Which of the following substances if introduced in the blood stream would cause coagulation at the site of its introduction?

​(a)​Fibrinogen ​

(b)​Prothrombin

​(c)​Heparin

​(d)​Thromboplastin

28.​Lysosome arises from

(a)​endoplasmic reticulum ​

(b)​golgi apparatus

​(c)​nucleus ​

(d)​mitochondria

29.​pH of human blood is ​

(a)​7.4

​(b)​6.2 ​

(c)​9.0 ​

(d)​7.5 – 8.0

30.​The double helix model of Watson and Crick is known as ​

(a)​C-DNA ​

(b)​B-DNA

​(c)​Z-DNA ​

(d)​D-DNA

31.​The correct sequence of cell cycle is ​

(a)​S, Gl, G2, M

​(b)​S, M, Gl, G2 ​

(c)​Gl, S, G2, M

​(d)​M, Gl, G2, S

32.​Biological membranes are composed of ​

(a)​40% proteins and 60% lipids ​

(b)​50% proteins and 50% lipids

​(c)​70% proteins and 30% lipids ​

(d)​60% proteins and 40% lipids

33.​F1 particles / oxysome / elementary particles are present in

​(a)​endoplasmic reticulum

​(b)​chloroplast

​(c)​mitochondria ​

(d)​golgi complex

34.​Which of the following is related to glycosylation of protein? ​

(a)​Endoplasmic reticulum

​(b)​Peroxisome

(c)​Lysosome

(d)​Mitochondria

35.​The function of nucleolus is the synthesis of ​

(a)​DNA ​

(b)​m-RNA

​(c)​r-RNA ​

(d)​t-RNA

36.​The shape of chromosome is clearly visible at

​(a)​prophase

​(b)​anaphase ​

(c)​metaphase ​

(d)​telophase

37.​Chromosome start separating at which stage of mitosis ​

(a)​early metaphase ​

(b)​late metaphase ​

(c)​early anaphase ​

(d)​early telophase

38.​“Endomitosis” refers to

​(a)​division of nucleus without chromosomal division

​(b)​division of chromosome without nuclear division ​

(c)​division of cytoplasm ​

(d)​None of the above

39.​The camel’s hump is composed of a tissue. It is a type of

​(a)​skeletal tissue

​(b)​areolar tissue

​(c)​adipose tissue

​(d)​muscular tissue.

40.​Peroxisomes are involved in the synthesis of

​(a)​glucose ​

(b)​fatty acids

(c)​glycine and serine

(d)​nucleotides

41.​The major constituent of connective tissue is

​(a)​lipid ​

(b)​carbohydrate

​(c)​cholesterol

​(d)​collagen

42.​Bone forming cells are

​(a)​osteoclasts ​

(b)​osteoblasts ​

(c)​chondroblast

​(d)​chondroclasts

43.​When the concentration of water and solutes on either side of the cell membrane is same, the solution is said to be ​

(a)​hypertonic

​(b)​isotonic ​

(c)​hypotonic ​

(d)​None of these

44.​Smooth muscles are likely to be found in

​(a)​muscles of legs

​(b)​muscles of arms

​(c)​stomach

​(d)​heart

45.​Bacteria are (were) considered more as plants than animals because of the presence of

​(a)​small nucleus ​

(b)​plasma membrane ​

(c)​cell wall ​

(d)​spore formation

46.​The kingdom Protista is primarily made up of organisms that are

​(a)​eukaryotic and multicellular

​(b)​prokaryotic and multicellular

(c)​prokaryotic and single-celled

​(d)​eukaryotic and single-celled

47.​Mesosome in a bacterial cell is

(a)​plasmid ​

(b)​connection between two cells ​

(c)​plasma membrane infolded for respiration ​

(d)​None of these

48.​Collar cells occur in

​(a)​sponges ​

(b)​hydra

​(c)​sandworm

​(d)​starfish

49.​Consider the following statements: ​

1.​Human beings have 23 pairs of chromosomes. ​

2.​Sex chromosome in human male is named XX. ​

3.​Chromosomes are best seen in metaphase. ​

Which of the statements given above are false about chromosomes? ​

(a)​1 and 2

​(b)​2 only

​(c)​1, 2 and 3 ​

(d)​None of these

50.​Consider the following statements about gene ​

1.​Word ‘Gene’ was given by Johanssen. ​

2.​Genes are situated on chromosomes. ​

3.​Genes located at different locus and having different expression are multiple alleles. ​

Which of the statements given above are true?

​(a)​1 and 2

(b)​2 and 3 ​

(c)​1 and 3 ​

(d)​1, 2 and 3


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