Diversity In Living Organisms — Science STD 9 — Question

Identify the food source that yields carbohydrates:

Which of the following is micronutrient?

1. Nitrogen
2. Phosphorus
3. Potassium
4. Boron

Living organisms are used in:

Balanoglossus belons to Hemichordata which forms a connecting link between:

1. Urochordates and cephalochordates.
2. Urochordates and vertebrates.
3. Cephalochordates and vertebrates.
4. Nonchordates and chordates.

Voluntary muscles are found in:

Cattle husbandry is done for the following purpose.

1. Milk production.
2. Agricultural work.
3. Meat production. 
4. Egg production.

1. (i), (ii) and (iii)
2. (ii), (iii) and (iv)
3. (iii) and (iv)
4. (i) and (iv)

Fever, delirium, slow pulse, abdominal tenderness and rose coloured rash indicate the disease:

1. Typhoid.
2. Measles.
3. Tetanus.
4. Chicken pox.

Which one of the following is not a part of nucleus?

Colourless plastids are known as:

1. Leucoplasts.
2. Chromoplasts.
3. Chloroplasts.
4. None of the above.

Which of the following statements is incorrect?