Question

Very Short Answer Type Questions
The iodine on starch produces which type of colour?
2.
What is the colour of chlorophyll present in leat?
Living organisms derive some components from food, what are these components called
The plants possessing red, yellow or violet colour besides chlorophyll can synthesise food. Is this
statement true or false?
What is the role of hair present in pitcher plant?
.
What raw materials are used by autotrophs for the preparation of their food?
**
Why desert plants like cactus have spine like leaves?
Sun is the ultimate source of energy for all living organisms". Justify the statement.
9.
What is yeast?
10.
Do coloured leaves like the red leaves of croton make their own food? Explain
Short Answer Type Questions
Parasite and saprophyte are two different modes of nutrition. How are the two different from one
another?
12.
The relationship between sod bacteria and certain crop plant is beneficial to farmers. Explain how
Plants synthesise other components besides carbohydrates, what are those substances?
How are nutrients replenished in the soil?
15. What is destarching? How is it done?
10. Why the survival of all living organism depends on plants?
Long Answer Type Questions
17.
An association between two plants benefitting both partners has been observed by many. What is
this association Name one plant which shows symbiotic association​

Answer 1

very short answer type

1.violet

Answer 2

Answer:

Answer:

Due different coloring pigments (carotenoid, xenthophylls) present in them.

Explanation:

They've no role in photosynthesis, just mask the leave organelles from high intensity light ray

Explanation: