SSLC Biology Answer Key 2024 with Question Paper

The Kerala SSLC Biology Exam has successfully taken place on 22nd March 2024 from 9:30 AM to 11:45 AM. We will provide the Kerala SSLC Biology Question Paper 2024 with Answers that will be shared on this page once the exam is over. It helps to sort the students how many questions in Today’s Exam are correct or wrong. Students also calculate their expected scores using the Kerala SSLC Biology Answer Key 2024.

Kerala SSLC Biology Question Paper 2024

Practicing the Model papers is one of the best resources to understand the exam pattern, Types of questions, and marks distribution of any exam. The Kerala SSLC Biology Question Paper 2024 will be formatted according to the pattern of the model paper provided by the board. The total marks allotted for the paper is 40 marks and students have 1.5 hours to complete the paper. The first 15 minutes is cool-off time. You may use the time to read the questions and plan your answers. There are a total of 23 Questions in the SSLC Biology Question Paper. Students should answer only based on instructions and questions given.

SSLC Biology Answer Key 2024

The SSLC Biology Answer Key includes all of the correct answers as well as the precise question number, allowing students to estimate their scores. The Kerala SSLC Biology paper 2024 will be concluded at 11:15 P.M. After completing the exam, students commonly seek the Kerala SSLC Biology Answer Key 2024 to double-check their answers and calculate their grades. After the exam, our professional faculty will deliver an error-free and accurate Kerala SSLC Biology paper 2024 with Answers on this page. Stay tuned with us.

Kerala Class 10 Biology Question Paper 2024

The question asked on the Kerala Class 10th Biology Question paper is completely based on the syllabus. The SSLC Biology syllabus includes chapters like Diversity in the Living World, Plant Physiology, Reproduction in Organisms, Ecosystem, Human Reproduction, and Evolution. Let’s take a look at the key features of the Kerala Class 10th Biology Exam below:

Kerala SSLC Biology Answer Key 2024 with Questions

Answer any 5 questions from Q. No. 1 to 6. Each carries 1 score.

1. Identify the pigment present in the given photoreceptor cell.

Answer: Rhodopsin or Iodopsin

2. Which among the following is not a component of a nucleotide?
(a) Phosphate
(b) Sugar
(c) Protein
(d) Nitrogen base

Answer: (c) Protein

3. Find out the correct one from the given pairs.
1. Monocyte: Stimulates other white blood cells.
2. Lymphocyte: Engulfs and destroys germs.
3. Neutrophil: Identifies and destroys germs specifically.
4. Eosinophil: Synthesizes chemicals required for the inflammatory responses

Answer: Eosinophil : Synthesizes chemicals required for the inflammatory responses.

4. Identify the word pair relation and fill in the blank.
Fruit formation: Auxin
Ripening of fruits:___________________

Answer: Abscisic acid (ABA) and ethylene

5. The technology used to identify the location of a geme in the DINA reporsie particular trait is:
(A) Gene therapy
(b) Gene mapping
(c) DNA profiling
(d) DNA finger printing

Answer: (b) Gene mapping

6. Correct the mistakes, if any in the underlined part of the given statements.
(a) The Panspermia argues that life originated in some other planet in the universe and accidentally reached the earth.
(b) Hugo de Vries is the scientist who put forward the scientific theory on evolution called Natural Selection theory.
(c) Organs that are similar in structure and perform different functions are called homologous organs

Answer: (b) Charles Darwin.

Answer any 6 questions from Q. No. 7 to 13. Each carries 2 scores.

7. Analyse the symptoms of a disease given and answer the questions.

Loss of memory, inability to recognize friends and relatives.

(4) Identify the disease
(b) Write the cause of the disease

Answer: (a). Alzheimer’s.
(b) Accumulation of an insoluble protein in the neural tissues of the brain. Neurons get destroyed.

8. Analyse the given table related to the activities of hormones and complete it properly.

Answer:

(i).Hypothyroidism refers to a decrease in thyroxine production throughout the fetal stage or infancy.
(ii) Thyroid.
(iii) Hypothalamus.
(iv) Diabetes insipidus.

9. Analese the illustration and answer the questions.

(a)identify the process
(b)What is the importance of this process?

Answer: 

(a). Crossing over of Chromosomes.
(b) An alteration in the distribution of genes results in the expression of new traits or variants in offspring.

10. Write appropriate reasons for the given statements.
(a) An ash coloured thick coating is formed in the throat of Diphtheria affected person.
(b) Complete cure is not possible for Haemophilia.

Answer:

(a) The pathogen Corynebacterium diphtheria produces toxins that destroy cells in the mucus membrane.
(b). Haemophilia is a genetic illness, hence a total treatment is impossible.

11. Choose the activities of Sympathetic system from the box

Production of saliva decreases, Urinary bladder contracts, Gastric activities become Normal, and Production of saliva Incom Chayven is converted to glucose.

12. Analese the illustration and answer the questions.

(a) Which theory of evolution is proved by this experiment?

(b) What are the main postulates put forward by this theory?

13. How does smoking harmfully affect the following organ systems?

• Respiratory system
• Circulatory system

Answer any 5 questions from Q. No. 14 to 20. Each carries 3 scores.

14. Observe the illustration of impulse transmission through synapse and answer the following questions.

(a) Which part is denoted as “X”?
(b) Which chemical is secreted from ‘X’?
(c) Why impulses travel only from to Y

15. Analyse the given stages in the process of detecting smell and write in sequential order.

• Experiences smell.
• Aromatic particles enter the nostrils.
• Generate impulses
• Stimulate the Olfactory receptors.
• These aromatic particles dissolve in the mucus.
• Impulses reach the brain

16.

17. Analyse the given statement and answer the questions.
“The basis of blood grouping is the presence of antigen A and antigen B in red blood cells”.

According to this, how many blood groups are there in humans Write the antigen and antibody of each group.

18. Some of the features of nucleic acids and their constituents are given below. Arrange them in the table suitably.

Ribose sugar, Uracil, Deoxyribose sugar, Double helical model, Single strand, Thymine

Answer:

SSLC Biology Answer Key Last year

Students who are going to appear on the Biology exam can check Last year’s question paper along with the solutions given below.

Answer any 5 questions from Q. No. 1 to 6. Each carries 1 score.

1. Identify the word pair relation and fill in the blank.
Planaria : Eye spot
House fly:__________

Answer: Ommatidia.

2. Choose the correct pair from the following options.
ENT- Treatment of Eye
Cardiology- Treatment of Heart
Ophthalmology- Treatment of Cancer

Answer: Cardiology- Treatment of Heart

3. Correct mistake if any in the underlined part of the given statements.
(a) Gibberellin stimulates break down of stored food to facilitate germination.
(b) Ethylene promotes the growth of terminal buds.
(c) Cytokinin maintains the dormancy of embryo.

Answer: (b). Auxin (c), Abscicic acid.

4. The genetic make up of human female is 44+ XX and that of male is 44+XY. What do the XX and XY indicate?

Answer: Sex chromosomes.

5. Find out the odd one and write the common feature of others.
Chimpanzee, Gorilla, Monkey, Oranguttan.

Answer:Monkey. Others are included in hominoidea.

6. What does the illustration indicate ?

Answer:Nucleotide.

2. Answer any 6 questions from Q. No. 7 to 13. Each carries 2 scores.

7. Write the name and functions of A and B in the given figure.

Answer:

(a). Axone, which carries impulse from cell body to out side.
(b). Synaptic knob, which secretes neurotransmitters.

8. Analyse the given illustration and answer the questions.

(a) Which process does this illustration indicate ?
(b) How does this process cause variation?

Answer: 

9. Symptoms of a viral disease are given. Analyse them and answer the questions.

• Inflammation of the liver.
• White portions of the eyes and nails become yellow coloured.

(a) Identify the disease.
(6) Why the white portions of the eyes and nails become yellow-coloured?

Answer: (a). Crossing over. (b). Cause a diffrence in the in the normal distribution of genes.

10. The details of the blood groups of the two persons are given in the table. Analyze them and answer the questions.

(a) Identify the blood groups of persons X and Y. (b) Can Y receive blood from X? Why?

Answer:  (a). X- B group, Y- A group.

(b). No, The antigen in the donor’s blood react with the antibody of the recipient’s blood
so as to cause coagulation or clotting.

Answer:

12. Analyse the given statements and answer the questions.
(i) Sudden withdrawal of the hand while touching on a hot object unknowingly.
(ii) Blinking of eyes when light suddenly falls on them.
(a) Name the reflex actions that take place in (i) and (ii).
(b) What is reflex action?

Answer;

(a). (i) Spinal reflex (ii) Cerebral reflex.

(b). Reflex action is the accidental and involuntary responses of the body, in response to
a stimulus

13. The main concept on Origin of life is given below. Analyse it and answer the questions. Life originated in some other planet in the universe and accidentally reached the earth.
(a) Which theory is mentioned here?
(b) Which evidence supports this?

Answer: 

(a). Panspermia theory.

(b). The organic substances obtained from the meteors.

Kerala SSLC Biology Question Paper PDF Download

Following the exam, we will provide the Kerala SSLC Biology Question Paper 2024. The English SSC question paper can be used by incoming board students as practice… Current board students can utilize the English board exam question paper to double-check their answers against the accompanying answer key.

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