science olympiad chapter 1 class 6

 

SELF TEST - 1

1. Complete the analogy: Sattu ka Sharbat : Bihar :: ? : Maharashtra

Options:

(A) Makhaniya lassi

(B) Solkadhi

(C) Kahwa

(D) Anarsa

Solution:
From the table in the text, Sattu ka sharbat is a beverage from Bihar, and Solkadhi is a traditional beverage from Maharashtra.
Answer: (B) Solkadhi

2. Which is a traditional tool used for cooking?

(A) Gas stove

(B) Microwave

(C) Chulha

(D) Electric cooker

Solution:
A 'chulha' (mud stove) is a traditional cooking tool, as opposed to gas stoves or microwaves.
Answer: (C) Chulha

3. Modern tool commonly used for grinding instead of sil batta?

(A) Mixer grinder

(B) Stone mill

(C) Mortar pestle

(D) None of these

Solution:
The mixer grinder is the modern replacement for the traditional sil batta.
Answer: (A) Mixer grinder

4. Benefit of gas stove over a chulha?

(A) It is cheaper

(B) It produces less smoke and is cleaner.

(C) It uses no fuel.

(D) All of these

Solution:
Gas stoves produce less smoke and are cleaner, which is the main benefit over chulhas.
Answer: (B) It produces less smoke and is cleaner.

8. Reason for changes in culinary practices?

(A) Technological development

(B) Improved transportation

(C) Better communication

(D) All of these

Solution:
All of these factors contribute to changing culinary practices.
Answer: (D) All of these

SELF TEST - 2

1. Virat should eat more of (for energy):

(A) Leafy vegetables

(B) Cereals

(C) Nuts

(D) Eggs

Solution:
Cereals are energy-giving foods because they are rich in carbohydrates.
Answer: (B) Cereals

2. Carbohydrates' hydrogen and oxygen ratio:

(A) 1:2

(B) 2:1

(C) 1:1

(D) 2:3

Solution:
Carbohydrates have hydrogen and oxygen in a 2:1 ratio.
Answer: (B) 2:1

3. Presence of sugar is tested by:

(A) Copper sulphate solution

(B) Caustic soda

(C) Copper hydroxide solution

(D) Benedict’s solution

Solution:
Benedict’s solution is used to test for the presence of sugars.
Answer: (D) Benedict’s solution

4. Select the incorrect statement:

(A) Saturated fats are solid at room temperature.

(B) Starch is soluble in water.

(C) Foods rich in vitamins and minerals are called protective foods.

(D) Growing children require more proteins in their diet as compared to adults.

Solution:
Statement B is incorrect. Starch is NOT soluble in water; it is insoluble.
Answer: (B) Starch is soluble in water.

5. Odd one out in types of fats:

(A) Coconut oil

(B) Ghee

(C) Mustard oil

(D) Groundnut oil

Solution:
Ghee is an animal fat (saturated); others are vegetable fats (mostly unsaturated).
Answer: (B) Ghee

SELF TEST - 3

1. Intake of iodised salt prevents:

(A) Beriberi

(B) Goitre

(C) Pellagra

(D) Rickets

Solution:
Iodised salt prevents goitre (swelling of thyroid due to iodine deficiency).
Answer: (B) Goitre

2. Select the correct statement:

(A) Vitamin C gets destroyed by cooking.

(B) Deficiency of phosphorus leads to weak teeth and bones.

(C) Vitamin B₁ is required to keep our skin and nervous system healthy.

(D) All of these

Solution:
All these are correct.
Answer: (D) All of these

4. Rana is not able to see in dim light, taking supplement capsules. Capsules probably contain:

(A) Neem

(B) Cod liver oil

(C) Gooseberry extract

(D) Wheat bran

Solution:
Night blindness is due to vitamin A deficiency, found in cod liver oil.
Answer: (B) Cod liver oil

5. Which meal is a balanced diet?

(A) Chapati, daal, green-leafy vegetables, butter

(B) Milk and bread

(C) Samosa, mint chutney, and mixed fruit juice

(D) Daal and rice

Solution:
Option (A) includes energy, protein, vitamins/minerals, and fat—a balanced ration.
Answer: (A) Chapati, daal, green-leafy vegetables, butter

SELF TEST - 4

1. Which is not a type of millet?

(A) Jowar

(B) Bajra

(C) Wheat

(D) Sanwa

Solution:
Wheat is not a millet; it's a common cereal.
Answer: (C) Wheat

2. Government agency regulating food quality in India:

(A) WHO

(B) FSSAI

(C) FDA

(D) Both (B) and (C)

Solution:
FSSAI and FDA both regulate food, but the main one is FSSAI. (FDA mainly US; FSSAI is Indian authority.)
Answer: (B) FSSAI

3. Correct about millets:

(A) Only cultivated in tropical regions.

(B) High protein, low in vitamins.

(C) Cultivated in a variety of climatic conditions.

(D) No health benefits.

Solution:
Millets can be grown in varied climates.
Answer: (C) Cultivated in a variety of climatic conditions.

4. Total distance food travels (from producer to consumer):

(A) Food safety

(B) Food grade

(C) Food miles

(D) Food hygiene

Solution:
Food miles = distance traveled from producer to plate.
Answer: (C) Food miles

5. Not an example of fortified food:

(A) Rice

(B) Iodised salt

(C) Wheat flour

(D) Fresh fruit

Solution:
Fortified foods have added nutrients. Fresh fruits are not fortified.
Answer: (D) Fresh fruit