The placenta is attached to the developing seed near the

• Testa

• Hilum

• Micropyle

• Chalaza

Which of the following plants is used to extract the blue dye?

• Trifolium

• Indigofera

• Lupin

• Cassia

Name the body part modified for food storage in the following

a. Carrot 

b. Colocasia 

c. Sweet potato 

d. Asparagus 

e. Radish 

f. Potato 

g. Dahlia

h. Turmeric

i. Gladiolus 

j. Ginger 

k. Portulaca

34. Roots obtain oxygen from air in the soil for respiration. In the absence or deficiency of O₂, root growth is restricted or completely stopped. How do the plants growing in marshlands or swamps obtain their O₂ required for root respiration?

In swampy areas like the Sunderbans in West Bengal, plants bear special kind of roots called _______.

In aquatic plants like Pistia and Eichhornia, leaves and roots are found near _______.

Reticulate and parallel venation are characteristic of _____________ and

_____________ respectively.

Which parts in ginger and onion are edible?

Omprakash used to go to vegetable market with his grandfather, a retired biology teacher.

Grandfather told Omprakash that chilies, brinjal and tomato belong to the same family of plants and asked him to find out similarity in these plants. Read the above passage and answer the following questions:-

I. Identify the family to which these plants belong.

II. What are the characteristic features of the family?

Pointing towards a sunflower plant, the father asked Kailash, a biology student to show him the flower of this plant. Kailash pluck flowering twig and pointed towards the big yellow structure at

the tip of the twig. Father laughed and clarified that it is not a single flower but a group of

several flowers arranged in a disc-like structure. Read the above passage and answer the

following questions:-

I. What is inflorescence?

II. Define racemose and cymose inflorescence?