Olympiad Science - Nutrition in Animals
Exam Duration: 45 Mins Total Questions : 30
Which of the following is the correct sequence of human nutrition?
- (a)
Ingestion ⇾ egestion➝ digestion ➝ absorption ⇾ assimilation.
- (b)
Egestion ⟶ ingestion ➝ absorption ➝ assimilation .
- (c)
(C) Digestion ➝ assimilation ➝ ingestion ⇾ absorption ➝ egestion.
- (d)
Ingestion ⇾ digestion ➝ absorption ➝ assimilation ⇾ egestion.
Which of the following labelled parts stores cud in ruminants?
- (a)
P
- (b)
Q
- (c)
R
- (d)
S
Which of the following systems is responsible for producing enzymes that aid in break down of substances that are to be absorbed for the body's growth and repair?
- (a)
Respiratory system
- (b)
Digestive system
- (c)
Circulatory system
- (d)
Nervous system
Herbivores do not produce enzymes that digest cellulose. How does the cellulose in their food get digested?
- (a)
Algae in their gut convert the cellulose into simple sugars.
- (b)
Bacteria in their gut convert the cellulose into glucose.
- (c)
Viruses in their gut convert the cellulose into simple sugars.
- (d)
Fungi in their gut convert the cellulose into simple sugars.
Which of the following helps in digestion in amoeba?
- (a)
Pseudopodia
- (b)
Cytoplasm
- (c)
Nucleus
- (d)
Food vacuole
The given figure shows a part of human digestive system
Which of the following represent 'P' in the given figure?
.
- (a)
Pancreas
- (b)
Liver
- (c)
Gall bladder
- (d)
Duodenum
The figure given below shows a part of the human alimentary canal
Which of the two labelled structures produce substances involved in the conversion of fats into fatty acids and glycerol?
- (a)
J and K
- (b)
J and N
- (c)
K and L
- (d)
L and M
Which statement about the large intestine is false?
- (a)
No absorption of materials takes place in the given organ.
- (b)
First part of the given organ is called colon.
- (c)
The length of the given organ is 1.5 metres.
- (d)
It secretes mucus.
The given figure illustrates the human. digestive system. Which labelled part of the human digestive system stores bile juice?
- (a)
P
- (b)
Q
- (c)
R
- (d)
S
Which of the following sequences correctly represents the flow of food from mouth to anus?
- (a)
Oesophagus ⇾ Stomach ⇾ Small intestine ⟶ Large intestine.
- (b)
Large intestine ➝ Oesophagus ➝ Stomach ➝ Small intestine.
- (c)
Small intestine ➝ Large intestine ➝ Oesophagus ➝ stomach.
- (d)
Stomach ➝ Small intestine ⟶ Large intestine ➝ Oesophagus
In which of the following parts of the alimentary canal the complete digestion and absorption of food takes place?
- (a)
Large intestine
- (b)
Small intestine
- (c)
Oesophagus
- (d)
Stomach
Which statement is correct about the villi?
- (a)
It increases the surface area for absorption of food.
- (b)
It decreases the surface area for absorption of food.
- (c)
It protects the lining of small intestine.
- (d)
It protects the lining of stomach.
Which of the following is the largest gland in human body?
- (a)
Pancreas
- (b)
Stomach
- (c)
Kidney
- (d)
Liver
Which part of the alimentary canal is most acidic?
- (a)
Colon
- (b)
Ileum
- (c)
Mouth
- (d)
Stomach
In cattles, symbiotic digestion of cellulose occurs in which part of the stomach?
- (a)
Rumen
- (b)
Caecum
- (c)
Duodenum
- (d)
Jejunum
Which labelled part of tongue detects the flavour of lemon juice?
- (a)
(i)
- (b)
(ii)
- (c)
(iii)
- (d)
(iv)
Which of the following describes of plaque?
- (a)
It is hard, protective covering on the tooth.
- (b)
It is soft covering of the tooth which is present below the visible part.
- (c)
It is the cavity which contains nerves and blood vessels in a tooth.
- (d)
It is sticky film of food and bacteria near the gums.
Which of the following describes enamel?
- (a)
It is hard outer protective covering on the tooth.
- (b)
It is the cavity which contains nerves and blood vessels in a tooth.
- (c)
It is the soft, invisible covering present in a tooth.
- (d)
It is the nerve that connects tooth and the brain.
Which of the following deals with the study of teeth?
- (a)
Dentistry
- (b)
Dermatology
- (c)
Neurology
- (d)
Cardiology
Which mineral is required for healthy teeth and bones?
- (a)
Iron
- (b)
Calcium
- (c)
Sodium
- (d)
Magnesium
Which of the following is used by amoeba to procure its food?
- (a)
Proboscis
- (b)
Pseudopodia
- (c)
Cilia
- (d)
Tongue
Which of the following is the characteristic feature of pseudopodia?
- (a)
False feet developed in some unicellular organisms.
- (b)
Small hair like structures present on the unicellular organisms.
- (c)
A long, tube like structure coming out of the mouth.
- (d)
Suckers which are attached to the walls of intestines.
Which of the following are the characteristics of enzymes?
- (a)
Substances which are broken into simpler substances during digestion.
- (b)
Substances which are made by the combination of carbohydrates.
- (c)
Substances which break complex food molecules into simpler food molecules.
- (d)
Substances which break complex substances and they themselves undergo dissociation reactions.
Which of the following is the correct description of assimilation?
- (a)
The process of breaking large food molecules into simpler molecules.
- (b)
The process by which undigested food is ejected out of the body.
- (c)
The process by which the digested food carried by the blood is taken in by the cells of the body.
- (d)
Process of inter-exchange of oxygen and carbon dioxide between haemoglobin and the cells of the body
Which of the following is longest part of the alimentary canal?
- (a)
Oesophagus
- (b)
Large intestine
- (c)
Small intestine
- (d)
Stomach
Which statement is true about Peristalsis?
- (a)
The wearing out of colour on the parts of leaves due to lack of carbon dioxide and chlorophyll.
- (b)
The process of breakdown of large food molecules into simpler molecules by the amylase enzyme.
- (c)
The movement of food through alimentary canal by the wavelike movement controlled by involuntary muscles.
- (d)
The process by which digested food is carried by the blood to different cells in the body.
Match the following teeth in Column-I with their functions in Column-II.
Column-I | Column-II |
(a) Incisors | (i) Grinding teeth |
(b) Canines | (ii) Cracking teeth |
(c) Premolars | (iii) Cutting teeth |
(d) Molars | (iv) Tearing teeth |
- (a)
(a)-(iii), (b)-(ii), (cHi), (d)-(iv)
- (b)
(a)-(iv), (b)-(iii), (c)-(ii), (d)-(i)
- (c)
(a)-(i), (b)-(ii), (c)-(iii), (d)-(iv)
- (d)
(a)-(iii), (b)-(iv), (c)-(ii), (d)-(i)
Which of the following is NOT a good habit?
- (a)
Washing our hands before eating food.
- (b)
Eating regularly at the same time in a day.
- (c)
Swallowing the food without chewing it.
- (d)
Eating fresh and warm food.
Which animal use tentacles to catch its prey?
- (a)
Snail
- (b)
Hydra
- (c)
Star fish
- (d)
Amoeba
Given below are the various steps involved in animal nutrition.
(i) Assimilation
(ii) Ingestion
(iii) Absorption
(iv) Digestion
(v) Egestion
Which is the correct sequential order in an animal nutrition?
- (a)
(iii), (ii), (iv), (i), (v)
- (b)
(iii), (i), (iv), (ii), (v)
- (c)
(ii), (iv), (iii), (i), (v)
- (d)
(iii), (iv), (ii), (v), (i)