Solved Biology Sample Test For KVS PGT TGT Jobs

Solved Biology Sample Test For KVS PGT TGT Jobs
BIOLOGY SAMPLE QUESTIONS FOR PGT TGT
tgt sample paper :Biology
1. Cell theory was propounded by
(a) Schleiden and Schwann
(b) Watson and Crick
(c) Mendel and Morgan
(d) Wallace and Darwin
Ans. (a)

2. The figures of cork cells as seen by Robert Hooke were published in his book
(a) Origin of Species
(b) Plant Kingdom
(c) Genra Plantarum
(d) Micrographia
Ans. (d)

3. The term ‘protoplasm’ was given by
(a) Purkinje
(b) Dujardin
(c) Brown
(d) Fischer
Ans. (a)

4. Who first coined the word “cell”?
(a) Aristotle
(b) Hooke
(c) Schwann
(d) Leeuwenhoek
Ans. (b)

5. Striking difference between a plant cell and an animal cell is due to the presence of
(a) Centrosome
(b) Plasma membrane
(c) Cell wall
(d) Chloroplast
Ans. (c)

6. Membranes occur in
(a) Cytoplasm, chloroplasts and mitochondria
(b) Cytoplasm, nuclei and starch grains
(c) Chromosomes, chloroplasts and starch grains
(d) Nuclei, chromosomes and mitochondria
Ans. (a)

7. Chemical nature of ribosomes is
(a) Beta galactosidase
(b) Proteins and lipids
(c) Glucose and sucrose
(d) Proteins and RNA
Ans. (d)

8. All are membrane bounded cell organelles except
(a) Mitochondria
(b) Spherosomes
(c) Ribosomes
(d) Lysosomes
Ans. (c)

9. The fine network of membranes distributed throughout the cytoplasm in a cell is
(a) golgi body
(b) mitochondria
(c) endoplasmic reticulum
(d) lysosomes
Ans. (c)

10. Smooth endoplasmic reticulum is well developed in the cells, which synthesise
(a) Steroids and lipids
(b) Carbohydrates
(c) Proteins
(d) All the above
Ans. (a)

11. If cells are broken up and sedimented by centrifugation, the new structure formed in one of the fractions is
(a) Lysosome
(b) Microsome
(c) Ribosome
(d) Centrosome
Ans. (b)

12. The Golgi complex plays a major role
(a) in digesting proteins and carbohydrates
(b) in trapping light quanta and transforming them into chemical energy
(c) in glycosidation of lipids and proteins to produce glycolipids and glycoproteins
(d) As energy transferring organelles
Ans. (c)

13. Besides giving out secretory vesicles the Golgi apparatus is also concerned with the formation of
(a) Lysosome
(b) Plastids
(c) Grana of chloroplast
(d) Cell plates after cell division in plants
Ans. (a)

14. Dictyosomes are
(a) Place of flagellar organelle
(b) Respiratory particle
(c) Golgi bodies
(d) Class of ribosomes
Ans. (c)

15. Cellulose and hemicellulose are the constituents of cell wall are synthesized by
(a) Microbodies
(b) Smooth endoplasmic reticulum
(c) Lysosome
(d) Golgi apparatus
Ans. (d)

16. Which organelle changes the chemical energy into utilizable energy?
(a) Lysosome
(b) Mitochondria
(c) Endoplasmic reticulum
(d) Microsome
Ans. (b)

17. Which of the following is NOT a non- protoplasmic cell inclusion?
(a) Cystolith
(b) Starch grain
(c) Raphide
(d) Mitochondrion
Ans. (d)

18. In which of the following parts of mitochondria succinic dehydrogenase enzyme and cytochrome oxidase is located?
(a) Inner membrane
(b) Outer membrane
(c) Perimitochondrial space
(d) Mitochondrial matrix
Ans. (a)

19. Mitochondria are found
(a) In all cells
(b) Only in plant cells
(c) Only in animal cells
(d) In all eukaryotic cells
Ans. (d)

20. The presence of DNA in mitochondria and chloroplast supports the hypothesis that
(a) Mitochondria and chloroplast both originated as independent free-living organisms
(b) Glycolysis occurs in both mitochondria and chloroplast
(c) Chloroplast and mitochondria undergo meiosis and mitosis independent of nucleus
(d) ATP is produced in chloroplast as well as mitochondria
Ans. (a)

21. If the leaf tissues are carefully fractionated, what part should be alive?
(a) Endoplasmic reticulum
(b) Cell wall
(c) Ribosomes
(d) Chloroplasts
Ans. (d)

22. The grana and stroma lamellae are the parts of
(a) Mitochondria
(b) Chloroplast
(c) Ribosomes
(d) Golgi bodies
Ans. (d)

23. When green tomatoes turn red then
(a) New chloroplast are made
(b) Chromoplast are changed into chloroplasts
(c) Chloroplasts are disintegrated and get converted into chromoplast
(d) None of these
Ans. (c)

24. Which one of the following is credited for discovering lysosomes?
(a) M. Calvin
(b) A. Claude
(c) Christian de Duve
(d) L.C. Pauling
Ans. (c)

25. Which of the following organelles are the cells ‘garbage disposal system’?
(a) Peroxisomes
(b) Golgi complex
(c) Phagosomes
(d) Lysosomes
Ans. (d)