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GCET Exam question paper

Exam Mode Offline

Language English

Question type Multiple-choice questions

Total Papers Three: Physics, Chemistry, Mathematics

Total number of questions( per paper) 75

Time allotted to attempt the test Two hours for each paper

Marking scheme Each correct response carries one mark, while there is no negative marking for wrong/ multiple answers.

Subjects covered in GCET-

Subjects No. Of Questions Duration
Physics 75 (Seventy Five) 120 minutes
Chemistry 75 (Seventy Five) 120 minutes
Mathematics 75 (Seventy Five) 120 minutes

GCET Exam Biological Sciences question paper

Category I (Q1 to Q90)

Each question has one correct option and carries 1 mark, for each wrong answer

1/4 mark will be deducted.

1. Vernalization promotes flowering by

(A) low temperature (B) high temperature

(C) prolonged photoperiod (D) short photoperiod

Solution : (A)

2. C4 pathway is advantageous over C3 pathway in plants as it

(A) occurs in relatively low CO2 concentration (B) uses more amount of water

(C) occurs in relatively low O2 concentration (D) is less efficient in energy utilization

Solution : (A)

3. TCA cycle enzymes are located in

(A) cristae (B) outer membrane

(C) mitochondrial matrix (D) mitochondrial intermembrane space

Solution : (C)

4. Passage cells help in

(A) transport of water towards pericycle (B) transport of water towards epiblema

(C) absorption of water from soil (D) passage of CO2 towards stomata

Solution : (A)

5. Medullary rays are tissues made up of

(A) phloem parenchyma (B) xylem parenchyma (C) sieve tube (D) sclerenchyma

Solution : (B)

6. An allosteric inhibitor of the enzyme acts by binding to the

(A) substrate (B) product

(C) catalytic site of the enzyme (D) non-catalytic site of the enzyme

Solution : (D)

7. During waste water treatment, trickling filter is used for

(A) primary treatment (B) secondary aerobic treatment

(C) secondary anaerobic treatment (D) tertiary treatment

Solution : (B)

8. The apoplast is located

(A) outside the plasma membrane (B) in the entire cytosol

(C) on both sides of plasma membrane (D) in the plastidial content

Solution : (A)

9. The aleurone synthesizes and secretes digestive enzymes that hydrolyze nutrients stored in the endosperm

in presence of

(A) auxin (B) gibberellin (C) cytokinin (D) ethylene

Solution : (B)

10. ATP synthesis in cell requires

(A) H+ gradient across the membrane (B) K+ gradient across the membrane

(C) PO4

3 gradient across the membrane (D) Ca2+ gradient across the membrane

Solution : (A)

11. A set of genes will be in a complete linkage when the progeny phenotypes for parental (P) and recombinant

(R) types are

(A) P = 0%, R = 100% (B) P = 50%, R = 50% (C) P < 50%, R > 50% (D) P = 100%, R = 0%

Solution : (D)

12. Which one of the following statements is WRONG in relation to transgenic. Bt cotton plant ?

(A) Crop yield loss due to attack by Bacillus thuringiensis bacterium is reduced

(B) Crop yield loss due to attack by lepidopteran insect pests is reduced

(C) The use of chemical insecticides in the cotton field is minimized

(D) Better quality cotton is produced

Solution : (A)

13. Which one of the following natural polymers is found both in insects and fungi ?

(A) pectin (B) chitin (C) cellulose (D) suberin

Solution : (B)

14. Which one of the following statements is WRONG ?

(A) Insects have one pair of antennas

(B) Millipeds possess two pairs of appendages in each segment of the body

(C) Prawns have two pairs of antennas

(D) Animals belonging to the phylum Porifera have nematocyst

Solution : (D)

15. Which one of the following is NOT a characteristic feature of mammals ?

(A) diphyodont tooth (B) ten pairs of cranial nerves

(C) seven cervial vertebrae (D) left aortic arch in the circulatory system

Solution : (B)

16. Which one of the following combinations is WRONG ?

(A) Rio convention air pollution (B) Kyoto protocol climate change

(C) Montreal protocol ozone depletion (D) Ramsar convention wetland conservation

Solution : (A)

17. Which one of the followings is an in situ method of biodiversity conservation ?

(A) national park (B) botanical garden (C) zoological garden (D) scientific laboratory

Solution : (A)

18. Nucleosome contains

(A) only histone protein (B) both DNA and histone protein

(C) only DNA (D) both DNA and RNA

Solution : (B)

19. Which one of the following matching pairs is WRONG ?

(A) Mollusca-Pseudocoel (B) Cnidaria-Nematocyst

(C) Annelida-Chloragogen cells (D) Echinodermata-Water vascular system

Solution : (A)

20. Which one of the following matching pairs is WRONG ?

(A) Shell fish Pisces (B) Silver fish Arthropoda

(C) Cuttle fish Mollusca (D) Star fish Echinodermata

Solution : (A)

21. Relationship between DO and BOD is that they

(A) are directly proportional (B) are inversely proportional

(C) are not related (D) always remain equal to each other

Solution : (B)

22. What is the full form of MAB ?

(A) Man And Biosphere (B) Man And Biosphere Reserve

(C) Man And Biosphere Reserve Programme (D) Man And Biosphere Programme

Solution : (D)

23. The Red Data Book records

(A) species diversity of wetlands (B) list of water pollutants

(C) list of threatened species (D) rate of population decline

Solution : (C)

24. Beta () diversity refers to diversity

(A) within a community (B) between communities

(C) between two eco zones (D) within a population

Solution : (B)

25. Third stage larva of Wuchereria bancrofti carried by Culex mosquito is called

(A) cysticercus (B) merozoite (C) microfilariae (D) trophozoite

Solution : (C)

26. Persons suffering from sickle cell anaemia normally DO NOT suffer from

(A) cholera (B) malaria (C) high blood pressure (D) hepatitis

Solution : (B)

27. Two related but geographically isolated species are known as

(A) sibling species (B) sympatric species (C) taxonomic species (D) allopatric species

Solution : (D)