Crossword Puzzle
ACROSS
1. Special tubes through which food material is carried inside the plants body.
3. Channel through which movement of water and minerals occurs.
4. Red coloured fluid inside blood vessels.
5. Loss of water in vapour from the leaves.
9. Four chambered organ located in the chest cavity.
10. Blood vessels which bring blood into the heart. DOWN
2. Red coloured pigment which is a carrier of oxygen.
6. Blood vessels which carry blood from the heart.
7. Blood cells which help in clotting of blood.
8. Process by which water passes into the root hair.
Concept: Transportation of Water and Food in Plants
Imagine all the seeds produced by a plant happen to fall under the same plant and sprout into new plants. Mention any two problems that will be faced by the new plants.
Concept: Reproduction in Plant
State whether the following statement is true (T) or false (F):
Producing life is called respiration.
Concept: Reproduction in Plant
State whether the following statement is true (T) or false (F):
Dogs and cats reproduce from two parents.
Concept: Reproduction in Plant
State whether the following statement is true (T) or false (F):
Most organisms have the capacity of regeneration in some or the other way.
Concept: Reproduction in Plant
Find the odd-one out, giving reason.
Gamete, budding, fragmentation, regeneration.
Concept: Reproduction in Plant
Define the following:
Regeneration
Concept: Reproduction in Plant
Why is reproduction necessary for living organisms?
Concept: Reproduction in Plant
Differentiate between the following:
Asexual reproduction and sexual reproduction.
Concept: Reproduction in Plant
Put a tick mark (✓) against the correct alternative in the following statement:
The term “ecosystem” is derived from the Greek word “Oikos” meaning.
Concept: Ecosystem
Match the items in Column I with as many items as possible in Column II.
| column I | Column II | |
| 1 | Grass | (i) Carnivore |
| 2 | Deer | (ii) Decomposers |
| 3 | cobra | (iii) Primary Consumer |
| 4 | Vulture | (iv) Autotroph |
| 5 | Microbes | (v) Scavenger |
Concept: Ecosystem
Put a tick mark (✓) against the correct alternative in the following statement:
Cortisone hormone is secreted by:
Concept: Hormones
Put a tick mark (✓) against the correct alternative in the following statement:
Which one of the following hormones stimulates the breakdown of glycogen in the liver into glucose:
Concept: Hormones
Put a tick mark (✓) against the correct alternative in the following statement:
Which one of the following hormones converts excess of glucose into glycogen:
Concept: Hormones
Put a tick mark (✓) against the correct alternative in the following statement:
Which one of the following glands is also called master gland:
Concept: Hormones
Put a tick mark (✓) against the correct alternative in the following statement:
The emergency hormone to face the danger or to fight is secreted by:
Concept: Hormones
Put a tick mark (✓) against the correct alternative in the following statement:
Which one of the following endocrine glands produces its hormone in large quantities as a result of emotional stimulation?
Concept: Hormones
Put a tick mark (✓) against the correct alternative in the following statement:
In humans, increased thyroxine production results in :
Concept: Hormones
Match the items in Column A with those in Column B. Column A Column B
| Column A | Column B |
| (a) Cretinism | (i) Pituitary gland |
| (b) Diabetes mellitus | (ii) Under the development of infant |
| (c) Increased metabolic rate | (iii) Oversecretion of thyroxine |
| (d) Simple goitre | (iv) Insufficient iodine in food |
| (e) Growth hormone | (v) Insufficient insulin in the blood. |
Concept: Hormones
