Allergy — BIOLOGY STD 7 — Question

Differentiate between:
tropic movement and nastic movement

How is phototropism different from hydrotropism ? Explain with one example of each.

Differentiate between :
Simple and complex tissues.

Correct the sequence of the following steps to explain the process of urine formation.
1. Blood enters the glomerulus under high pressure.
2. The filtrate passes through the thin walls of the Bowman’s capsule into the renal tubule
3. As the filtrate, passes through the tubule, water, and many useful substances are reabsorbed by the walls of the blood capillaries.
4. Water and small solutes are filtered in the Bowman’s capsule.
5. The remaining liquid, along with waste is called urine and is collected in the urinary bladder.
6. Blood containing waste material enters the kidneys through the renal artery.

Differences between :
Coelenterata and Porifera

parasites and symbionts

Name any three routes of which allergens normally enter in our body.

Write in short about the process of respiration.

Differentiate between
aves and mammals

How is connective tissue different from other tissues?