KCET Biology Answer Key 2023 (Available): Download PDF for all sets

Chinmayai Bobade

Updated On: May 26, 2023 01:24 PM

Download here KCET Biology Answer Key 2023 for all question paper sets for the exam conducted on May 20, 2023.
KCET Biology Answer Key 2023KCET Biology Answer Key 2023

KCET Biology Answer Key 2023: Day 1 Shift 1 of KCET 2023 is scheduled for the Biology paper. Its exam commenced at 10:30 AM and concluded by 11:50 PM. Candidates who opted for the PCB or PCMB streams can check the complete unofficial answer key here. This answer key is unofficial in nature while the official key by KEA is likely to be out by the last week of May 2023. It is important to note that the questions in all sets and subsets are the same and only their order is shuffled. Hence, the questions vs correct answers are directly provided below. Scroll through the list to find the respective question and its answer.

Official answer key released: KCET Answer Key 2023

KCET Biology Answer Key 2023 by DR Academy

KCET 2023 Biology Answer Key by DR Academy KCET Set C-1 Biology Answer Key 2023

KCET 2023 Related Links

The following are the links you may find helpful regarding KCET 2023 exam:

Result date KCET Result Date 2023
Best engineering colleges KCET 2023: List of best engineering colleges in Karnataka as per NIRF ranking
Expected rank KCET Expected Rank 2023
Agricultural quota KCET 2023 Agriculture Quota Practical Exam: Steps to Upload Documents
Marks-Wise Expected Rank Details
For 160 marks Expected Rank for 160 marks in KCET 2023
For 150 marks Expected Rank for 150 marks in KCET 2023
For 140 marks Expected Rank for 140 marks in KCET 2023
For 130 marks Expected Rank for 130 marks in KCET 2023
For 120 marks Expected Rank for 120 marks in KCET 2023
For 100 marks Expected Rank for 100 marks in KCET 2023
For 80 marks Expected Rank for 80 marks in KCET 2023
For 60 marks Expected Rank for 60 marks in KCET 2023
For 40 marks Expected Rank for 40 marks in KCET 2023

KCET Answer Key 2023 for Other Subjects

The answer keys for the other three subjects are also provided through the links below in a similar manner.

Subject Answer Key Link
Mathematics KCET Mathematics Answer Key 2023
Physics KCET Physics Answer Key 2023
Chemistry KCET Chemistry Answer Key 2023

​​​​KCET Biology Answer Key 2023 with Questions (All Sets)

As stated above, as the questions remain the same across all sets and subsets, the questions and answers are added here so that you can cross-check your answers across any set.

Questions are added in ALPHBETICAL ORDER, instead of the shuffled orders in different sets.

Sr. No. Question Unofficial Correct Answer
1 A flower has 10 stamens each having bilobed dithecous anther. If each microsporangium her 5 pollen mother cells, how many pollen grains would be produced by the flower? 200
2 According to David Tilman's long term ecosystem experiments, the total biomass in plots with more species shows, Less variation from year-to-year
3 An example for hormone releasing IUD is LNG-20
4 Atrial Natriuretic Factor (ANF) acts as a Vasoconstricter
5 Bamboo species flowers Once in 12 years
6 Choose the incorrect statement with reference to Kangaroo rat. uses minimal water to remove excretory products.
7 Consider the following statements with reference so female reproduction system
Statement 1. The presence or absence of hymen not a reliable indicator of virginity or sexual experience.
Statement 2. The sex of the foetus is determined by the father and not by the mother
Both the Statement I and Statement 2 are correct
8 Considering the stroke volume of an adult healthy human being is 70 ml. cardiac output in one hour from the following: 30.24 lit/hour
9 During transcription the DNA strand with 3' 5' polarity of the structural gene always acts as a template because Enzyme DNA dependent RNA polymerase always catalyse the polymerisation in 3-5' direction.
10 Eukaryotic genes are monocistrome but they are split genes because Exons are interrupted by Introns.
11 Find out the correct match Disease - Ringworm
Pathegon - Fungus
Main organ affected - Skin
12 Find the correct statement.
(1) Generally a gene regulates a trait, but sometimes one gene has effect on multiple traits.
(2) The trait AB-blood group of man is regulated by one dominant allele and another recessive allele. Hence it is co-dominant.
Statement (1) is correct.
13 Flame cells present in the members of platyhelminthes are specialized to perform Osmoregulation and Excretion
14 Four students were assigned a science project to find out the pollution levels of lakes in their surrounding. After analysing the quality of water samples, the BOD values were found as follows:
Which among the following water samples is highly polluted ?
6 mg/L
15 From the following table, select the option that correctly characterizes various phases of menstrual cycle: Mensturation Phase - Regeneration of endometrium
Follicular phase - Follicular phase
Luteal phase - Luteal phase
16 From the following tools / techniques of genetic engineering, identify those which are required for cloning a bacterial gene in animal cells and choose the correct option:
I. Endonuclease
II. Ligase
III. tumefaciens
IV. Microinjection
V. Gene gun
VI. Lysozyme
VII Cellulase
VIII. Electrophoresis
I, II, IV, VI, VIII
17 Function of contractile vacuole in Amoeba is Excretion and osmoregegulation
18 'Gene-mapping' technology was developed by Sturtvent
19 Generally, bears avoid winter by undergoing Hibernation
20 Histone proteins are positively charged because they are rich in basic aminoacid residues Arginine and Lysine
21 Identify from the following a pair of better yielding semi dwarf varieties of rice developed in India. Jaya and Ratna
22 Identify the correct option showing the relative contribution of different green house gases to the total global warming CFC - 14%, CO2 - 60%, Methane - 20%, NO - 6%.
23 Identify the floral formula of plant belonging to potato family. To be updated
24 Identify the incorrect statement regarding the flow of energy between various components of the food chain. Green plants capture about 10% of the solar energy that falls on leaves.
25 Identify the option showing the correct labelling for p, q, r and s with reference to the conducting system of the human heart. p - SAN, q - AVN, r - Bundle of His, s - Interventricular septum
26 Identify the symptoms of pneumonia. Difficulty in breathing, fever, chills, cough, headache
27 In a population of 800 rabbits showing Hardy-Weinberg equilibrium, the frequency of recessive individuals was 0.16. What is the frequency of heterozygous individuals? 0.84
28 In Bryophyllum, the adventitious buds arise from Notches in the leaf
29 In male heterogametic type of sex determination Male parent produces dissimilar gametes.
30 In MOET technique fertilized eggs are transferred into surrogate mother in which of the following stage? 8-32 celled stage
31 In one of the hybridisation experiments, a homozygous dominant parent and a homary recessive parent are crossed for a trait. (Plant shows Mendelian inheritance pattern) Dominant parent trait appears in both F1 & F2 generations, recessive parent trait appear in only F2 generation.
32 In the female reproductive system, a tiny finger like structure which lies at the upper junction of the two labia minora above the urethral opening is called Clitoris
33 Match Column-1 with Column-II. Select the option with correct combination.
1. Standing state
2. Pioneer species
3. Detritivores
4. Standing crop

p. Mass of living material at a given time.
q. Amount of nutrients in the soil at a given time.
r. Species that invade a bare area.
S. Breakdown detritus into smaller particles.
1-p, 2-r, 3-s, 4-q
34 Match Column-1 with Column-II. Select the option with correct combination.
1. Bryophyta
2. Gymnosperm
3. Algae
4. Pteridophyta

p. Pinus
q. Adiantum
r. Sphagnum
S. Ectocarpus
1-r, 2-p, 3-s, 4-q
35 Match Column-1 with Column-II. Select the option with correct combination.
1. Hypertonic
2. Capillarity
3. Symport
4. Guttation

p. Two molecules move in the same direction across the membrane
q. External solution is more concentrated than cell sap
r. Water loss in the form of droplets
S. Ability of water to rise in thin tubes
1-q, 2-s, 3-p, 4-r
36 Match List-1 and List-If with respect to proteins and their functions and select the correct option
1 Collagen
2. Trypsin
3. Insulin
4. Antibody

p. Fights infectious agents
q. Hormone
r. Enzyme
s. Intercellular ground substance
1-s, 2-r, 3-q, 4-p
37 Match the following columns and choose the correct option:
1. Haemophilus influenzae
2. Entamoeba histolytica
3. Plasmodium falciparum
4. Wuchereria bancrofti

p. Malignant malaria
q. Elephantiasis
r. Pneumonia
s. Amoebiasis
1-r, 2-s, 3-p, 4-q
38 MTPs are considered relatively safe during First trimester
39 PCR is used for DNA amplification
40 Primary endosperm nucleus is formed by fusion of Two polar nuclei and two male gametes
41 Roquefort cheese is ripened by Fungi
42 Select the correct statement from the following: The first step in PCR is heating which is used to separate both the strands of gene of interest.
43 Select the correctly matched pair of organisms with their order. Musa, domestica : Diptera
44 The complex formed by a pair of synapsed homologous chromosomes is called Bivalent
45 The function of Typhlosole in earthworm is Increasing the effective area of absorption in the intestine
46 The Lac-Operon model was elucidated by Francois Jacob and Jaques Monad
47 The male sex accessory ducts include Rete testis, vasa efferentia, epididymis and vas deferens
48 The toxic heavy metals from various industries which cause water pollution, normally have a density more than 5 g/cm³
49 The toxic substance 'haemozoin' responsible for high fever and chill, is released in which of the following diseases? Malaria
50 The variety of Okra, Pusa Sawani is resistant to which of the following insect pests? Shoot & Fruit borer
51 The vibrations from the ear drum are transmitted through ear ossicles to Oval window
52 Toxicity of which micronutrient induces deficiency of iron, magnesium and calcium Manganese
53 When the vascular cambium is present between the xylem and Aloem, then the vascular bundle is called, Open
54 Which of the following is abbreviated as ZIFT? Zygote Intra Fallopian Transfer
55 Which of the following statements is correct? Female carrier for haemophilia may transmit the disease to sons.
56 Which of these is NOT a method to make host cells 'competent to take up DNA? Elution
57 Which of these is NOT an example for Adaptive radiation? Long-necked Giraffe
58 Which pair of the following cells in the embryo sac are destined to change their ploidy after fertilization? Antipodals and synergids
59 With reference to human sperm, match the List-I with List-II.
1. Head, 2. Acrosome, 3. Middle piece, 4. Tail
p. Filled with enzyme, q. Contains mitochondria, r. Sperm motility, s. Contains haploid nucleus
1-s, 2-p, 3-q, 4-r
60 With respect to Inbreeding, which among the following is not true? Inbreeding decreases homozygosity.

Also Read |

Official KCET Answer Key 2023 Release Date
KCET Result Date 2023

KCET Analysis and Question Paper 2023

Similarly, as for the answer keys, the subject-wise question paper and analysis links will be updated here after each shift.

Analysis KCET Biology Analysis 2023
KCET Mathematics Analysis 2023
KCET Physics Analysis 2023
KCET Chemistry Analysis 2023
Question Paper KCET Question Paper 2023
KCET Biology Question Paper 2023
KCET Mathematics Question Paper 2023
KCET Physics Question Paper 2023
KCET Chemistry Question Paper 2023

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