Class 11 Biology Digestion and Absorption MCQs with Answers
Class 11 Biology Digestion and Absorption MCQs with Answers offer targeted preparation for Sainik School aspirants, focusing on the intricacies of digestive processes. Tailored to the class 11 biology syllabus, these multiple-choice questions provide clear and concise answers, facilitating effective self-assessment. Digestion and absorption are fundamental to biology, and this resource ensures a comprehensive understanding of these processes.
As students gear up for Sainik School entrance exams, engaging with these MCQs not only enhances exam readiness but also sharpens analytical and critical-thinking skills. The content aligns with the broader goals of Sainik School education, promoting holistic learning and a deeper grasp of biological concepts. Emphasizing clear answers, this resource aids students in identifying areas for improvement, contributing to a well-rounded approach to exam preparation. Sainik School aspirants benefit from a targeted educational experience, preparing them for success in both the entrance exams and future academic pursuits.
Q1. Which one of the following is the correct matching of the site of action on the given substrate, the enzyme acting
upon it and the end product?
- Duodenum: Triglycerides, trypsin monoglycerides.
- Small intestine: Starch, α amylase disaccharide (maltose).
- Small intestine: Proteins pepsin amino acids.
- Stomach: Fats, Lipase micelles.
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Ans: 2. Small intestine: Starch, α amylase disaccharide (maltose)
Q116. Which one of the following pairs of the cells with their secretion is correctly matched?
- Alpha cells of Islets of Langerhans -Secretion that decreases blood sugar level.
- Oxyntic cells – A secretion with pH between 2.0 and 3.0.
- Kupffer cells – A digestive enzyme that hydrolysis nucleic acids.
- None of these.
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Ans: 2. Oxyntic cells – A secretion with pH between 2.0 and 3.0.
Q2. Mark the right statement among the following.
- Trypsinogen is an inactive enzyme.
- Trypsinogen is secreted by intestinal mucosa.
- Enterokinase is secreted by pancreas.
- Bile contains trypsin.
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Ans: 1. Trypsinogen is an inactive enzyme.
Q3. Liver is the largest gland and is associated with various functions. Choose which is not correct from the following.
- Metabolism of carbohydrate.
- Digestion of fat.
- Formation of bile.
- Secretion of hormone called gasotrin.
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Ans: 4. Secretion of hormone called gasotrin.
Explanation:
Gastrin hormone is secreted by gastrin cells (G-cells) in the pyloric region of the stomach. It stimulates gastric glands to secrete and
release the gastric juice. It also stimulates gastric mobility.
Q4. Small projections of upper surface of tongue are called.
- Fimbriae
- Pilli
- Papillae
- Cilia
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Ans: 3. Papillae
Explanation:
The upper surface of the tongue has small projections called papillae, some of them bears taste buds.
Q5. One of the factors required for the maturation of erythrocytes is:
- Vitamin-D
- Vitamin-A
- Vitamin-B12
- Vitamin-C
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Ans.3.Vitamin-B12
Q6. The contraction of gall bladder is due to:
- Gastrin
- Secretin
- Cholecystokinin
- Enterogasterone
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Ans: 3. Cholecystokinin
Q7. Which enzyme is secreted by the liver?
- Trypsin.
- Chymotrypsin.
- Lipase.
- No enzyme.
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Ans: 4. No enzyme.
Q8. Emulsification of fat will not occur in the absence of:
- Lipase.
- Pigments.
- Bile salts.
- Pancreatic juice.
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Ans: 3. Bile salts.
Q9. The enzyme enterokinase helps in the conversionof:
- Pepsinogen into pepsin.
- Caseinogen into casein.
- Trypsinogen into trypsin.
- Proteins into polypeptides.
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Ans: 3. Trypsinogen into trypsin.
Q10. Cholecystokinin is secretion of:
- Globlet cells of ileum, stimulates secretion of succus entericus.
- Duodenum that causes contraction of gall bladder.
- Liver and controls secondary sex characters.
- Stomach that stimulates pancreas to release juice.
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Ans: 2. Duodenum that causes contraction of gall bladder.
Q11. Which of the following is mismatched?
- Vitamin-K – Beri-beri.
- Vitamin-D – Rickets.
- Vitamin-C – Scurvy.
- Vitamin-A – Xerophthalmia
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Ans: 1. Vitamin-K – Beri-beri.
Q12. The pH scale is used to measure.
- Electric charge on ion.
- Speed with which ions form.
- Size of ions.
- Concentration of hydrogen ions in a solution.
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Ans: 4. Concentration of hydrogen ions in a solution.
Q13. Choose the correct answer among the following:
- Succus entericus is the name given to
- A junction between ileum and large intestine.
- Intestinal juice.
- Swelling in the gut.
- Appendix.
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Ans: 2. Intestinal juice.
Solution:
Succus entericus is another name for intestinal juice. It is secreted by the intestinal gland. Intestinal juice contains a variety of
enzymes such as maltase, lipases, nucleosidases, dipeptidases, etc.
Q14. Inhibition of gastric and stimulation of gastric,pancreatic and bile secretions are controlled by hormones.
- Gastrin, secretin, enterokinin and cholecystokinin.
- Enterogasterone, gastrin, pancreozymin and cholecystokinin.
- Gastrin, enterogasterone, cholecystokinin and pancreozymin.
- Secretin, enterogasterone, gastrin and enterokinin.
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Ans: 2. Enterogasterone, gastrin, pancreozymin and cholecystokinin.
Q15. In a person of advanced age, the hair become thinner gradually. It happens because of decrease in:
- Synthesis of glucose.
- Synthesis of proteins.
- Energy availability.
- Blood supply.
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Ans: 2. Synthesis of proteins.
FAQs
Q: How can practicing Class 11 Biology Digestion and Absorption MCQs enhance understanding of the topic for students preparing for exams?
A: Engaging with Digestion and Absorption MCQs tailored for class 11 Biology provides students with a targeted and efficient method to reinforce their understanding of the topic. These multiple-choice questions cover key concepts, and the clear answers aid in self-assessment. By practicing these MCQs, students not only solidify their knowledge but also improve their problem-solving skills, crucial for success in exams. The focus on digestion and absorption aligns with the class 11 Biology syllabus, ensuring that aspirants are well-prepared for specific content in examinations.
Q: How do Class 11 Biology Digestion and Absorption MCQs contribute to a comprehensive understanding of the subject and preparation for competitive exams?
A: Digestion and Absorption MCQs serve as an effective tool for Sainik School aspirants preparing for Biology exams. These questions not only cover fundamental concepts but also offer clear answers for efficient self-assessment. Engaging with this resource not only aids in exam preparation but also promotes critical thinking and a deeper understanding of digestion and absorption processes. The inclusion of MCQs aligns with a holistic education approach, ensuring that students are not only well-prepared for competitive exams but also equipped with a broader comprehension of Biology principles.