Select the incorrect differences between collenchyma and sclerenchyma.
|(i)||It is made up of dead cells.||Its cells are living.|
|(ii)||Lumen or cell cavity is wide.||Lumen or cell cavity is usually narrow.|
|(iii)||It provides hardness to the region where it occurs.||It keeps the organ soft.|
|(iv)||Wall thickening is not uniform.||Wall thickening is uniform.|
|(v)||Pits are simple and straight.||Pits are simple, oblique and may be branched.|
A (i) and (iii) only
B (i), (iii) and (iv) only
C (ii), (iv) and (v) only
D (i) and (iv) only
I think correct answer is b. But SOF is saying it is c.
Rajat read the weather forecast of the coming week of July as shown here. Which of these items will most probably be used by him in such weather?
A Umbrella, raincoat and woollen socks
B Raincoat, gumboots and woollen gloves
C Raincoat, umbrella and gumboots
D Umbrella, gumboots and sweater
Match column I with column II and select the correct option from the codes given below.
|Column I||Column II|
|(P) Expansion of metals on heating||(i) Neither physical nor chemical change|
|(Q) A stone kept in the sunlight||(ii) Chemical change|
|(R) Burning of a candle||(iii) Combination of physical and chemical changes|
|(S) Curdling of milk||(iv) Physical change|
A (P) - (iv), (Q) - (i), (R) - (iii), (S) - (ii)
B (P) - (iv), (Q) - (iii), (R) - (ii), (S) - (i)
C (P) - (i), (Q) - (ii), (R) - (iii), (S) - (iv)
D (P) - (i), (Q) - (iv), (R) - (ii), (S) - (iii)
A IS THE CORRECT ANSWER BECAUSE CURDING OF MILK IS A CHEMICAL CHANGE
Which of the following are benefits of outdoor activities?
1. They help in bonding with people.
2. They give physical benefits and help in keeping fit.
3. They increase stress and challenges of life.
A1 and 2 only
B2 and 3 only
C1 and 3 only
D1, 2 and 3
answer shd be D