Advertisements
Advertisements
प्रश्न
Consider the following two statements A and B and select the right option from (i)-(iv) about their correctness.
- Small intestine is shorter than large intestine.
- Small intestine is wider than large intestine.
Options :
(i)Both the statements are correct
(ii) Both the statements are wrong
(iii) Statement A is correct, B is wrong
(iv) Statement B is correct, A is wrong
Advertisements
उत्तर
(ii) Both statements are wrong.
The small intestine is longer (7 metres) than large intestine (1.5 metres). Also, large intestine is so called because of its width which is larger than that of small intestine.
APPEARS IN
संबंधित प्रश्न
Draw neat labelled diagram of the pancreas with their associated structures
What is meant by dental caries?
| When a person eats sugary food, then organisms A present in his mouth act on sugar to produce a substance B. The substance B first dissolves the calcium salts from the top part C of the tooth and then from its middle part D forming holes E. These holes ultimately reach the part F in the lower part of tooth which contains nerves and blood vessels. The substance B irritates the nerve endings inside the tooth causing toothache. |
- What are (i) organisms A, and (ii) substance B?
- What are (i) part C, and (ii) part D, of tooth known as?
- By what name are the holes E in the tooth known?
- Name the part F of the tooth.
- What will happen if organisms A reach part F of the tooth known?
What is digestion? Why do only animals require a digestive system?
Study the following dental formula and then answer the question that follow:
`"i" 3/4 "c" 0/0 "pm" 0/1 "m" 1/1`
Name an animal possessing such a dentition.
Write the function of the following in the human alimentary canal:
Saliva
Food are classified into three groups on the basis of the function they perform in our body. Name the three categories, and briefly give their functions. Also give their two sources each.
Fill in the blanks.
Grinding of food is brought about by _______ and ______
Differentiate between
Small intestine and Large intestine
Write short answers
What is ingestion?
Write short answers
What do you mean by the emulsification of fat?
Describe protein digestion in the human.
Match items in column A with the appropriate items in Column B:
| Column A | Column B | ||
| 1 | HCl | a | Lactose |
| 2 | Rennin | b | Pellagra |
| 3 | Enteropeptidase | c | Rumen |
| 4 | Cellulose | d | Pepsin |
| 5 | Ptyalin | e | Starch |
| 6 | Vitamin | f | Pernicious anaemia |
| 7 | Intestinal juice | g | Trypsin |
| 8 | Bile salt | h | Casein |
| 9 | Vitamin A | i | Micelle |
| 10 | Goitre | j | Night-blindness |
| k | Iodine | ||
The question has four options. Choose the correct answer:
The dental formula of human beings is
Which systems work together to provide the body with energy?
Use your brain power!
Why do we sometimes choke suddenly while eating?
A group of organs together make up an ______ system.
Why it is important to wear helmet while riding a bike?
Eating fast-food ad junk food affects our health. Justify.
Which option represents the CORRECT sequence of digestive organs between the mouth and the anus?
