Question

Answer the following questions: -
Q1. Give one function of the following:
a. Autotrophs
b. Proteins

Q2. Define the following terms:
Nutrients
Glycogen
Specular Reflection

Q3. What will happen if ...?
a. the distance between a light source and an opaque object is changed.
b. the food items placed at the top of the given figure are swapped with the food items at the bottom of the figure.

























Q4. Differentiate between the following: ( 1 x 2 = 2 marks)

a. Opaque and Transparent objects

b. Herbivores and Carnivores



Q5. Mehak overheard a conversation between her mother and their house help. House help's daughter is not able to see clearly at night. So Mehak requested her mother to give some milk, green leafy vegetables and carrots on a regular basis to her. (0.5 x 2 = 1 mark)

(i) Why do you think Mehak has asked to give these food items for the house help's daughter?

(ii) Which value does Mehak demonstrate? Q1. Give one function of the following: (1 x 2 = 2 marks)

a. Autotrophs

b. Proteins



Q2. Define the following terms: ( 1 x 3 = 3 marks)

Nutrients

Glycogen

Specular Reflection



Q3. What will happen if ...? (1 x 2 = 2 marks)

a. the distance between a light source and an opaque object is changed.

b. the food items placed at the top of the given figure are swapped with the food items at the bottom of the figure.

























Q4. Differentiate between the following: ( 1 x 2 = 2 marks)

a. Opaque and Transparent objects

b. Herbivores and Carnivores



Q5. Mehak overheard a conversation between her mother and their house help. House help's daughter is not able to see clearly at night. So Mehak requested her mother to give some milk, green leafy vegetables and carrots on a regular basis to her. (0.5 x 2 = 1 mark)

(i) Why do you think Mehak has asked to give these food items for the house help's daughter?

(ii) Which value does Mehak demonstrate?

Answer 1

Answer:

Autotrophs are organisms that require only simple inorganic molecules (carbon dioxide) for the synthesis of their cellular constituents using energy from light (photoautotrophs) or inorganic chemical reactions (chemoautotrophs).