Gait of Animals

Q.

Define the following terms:

(b) Thigmotropism

Q.

(b)Define thigmotropism. Give one example of thigmotropism..

Q.

Define chemotropism. Give one example of chemotropism. State whether this example is of positive chemotropism or negative chemotropism.

Q.

Define the following terms:

(i) Hypotropism

(ii) Geotropism

(iii) Chemotropism

Q.

How are the growth dependent movements different from growth independent movements?

Q.

Distinguish between tropic movements and nastic movements in plants. Give examples to illustrate your answer.

Q. Plant parts show two types of movements, one dependent on growth and the other independent of growth. Give one example of the movement in plant parts :
(a) which depends on growth.

Q.

What do you understand by haptonasty?

Q. P and Q are two types of plants having weak stems which cannot stand upright on their own. The plants P and Q have organs R and S respectively which can grow towards any support which they happen to touch and wind around that support. It is observed that organ R originates from the leaves of the plant whereas organ S originates directly from the stem of the plant.

(d) State whether the behaviour of organs R and S is a tropic movement or a nastic movement.

Q. Pyloric sphincter allows only ____ to pass into the duodenum.

1. neutralised food
2. bile
3. chyme
4. bolus

Q.

Differentiate between tropic and nastic movements in plants.

Q. ________ is a growth-independent movement in plants.

1. Hydrotropism
2. Geotropism
3. Phototropism
4. Thigmonasty

Q. Which of the following picture shows the growth independent movement?

1. 
2. 
3. 
4. 

Q. ________ is a growth-independent movement in plants.

1. Phototropism
2. Hydrotropism
3. Geotropism
4. Thigmonasty

Q.

What is tropism?

Q. P and Q are two types of plants having weak stems which cannot stand upright on their own. The plants P and Q have organs R and S respectively which can grow towards any support which they happen to touch and wind around that support. It is observed that organ R originates from the leaves of the plant whereas organ S originates directly from the stem of the plant.

(b) What is the name of growth movement exhibited by the organs R and S?

Q. ________ is a growth-independent movement in plants.

1. Geotropism
2. Thigmonasty
3. Phototropism
4. Hydrotropism

Q. Match the following.

1. Touch
2. Chemical
3. Gravity
4. Light

Q. Pyloric sphincter allows only ____ to pass into the duodenum.

1. chyme
2. bolus
3. neutralised food
4. bile

Q.

Which body part is used by cow for moving around?

1. Legs

2. Hands

3. Whole body

4. Head

Q.

Fill in the blank with a suitable term:
The ___ provides a well-known example of thigmotropism.

Q. Plant parts show two types of movements, one dependent on growth and the other independent of growth. Give one example of the movement in plant parts :
(b) which does not depend on growth.

Q. Coiling of garden pea tendrils around any support is an example of

1. Thigmotropism
2. Thigmotaxis
3. Thigmonasty
4. Thermotaxis