Structural Organization - Plant And Animal : Biology

click here (For More Questions based on Biology )

• Answers are in BOLD Option name.

 Q.1. Earthworm not found of India is

A) Megascolex

B) Lumbricus

C) Eutyphaeus

D) Drawida

Q.2. The number of ganglia in the abdominal nerve-cord of cockroach is

A) 6  

B) 9

C) 10

D) 12

Q.3. Culex transmits the disease

A) Malaria

B) Filaria

C) Sleeping sickness

D) Yellow fever

Q.4. Insects excrete nitrogen as

A) Uric acid

B) Guanine

C) Urea

D) Ammonia

Q.5. What is the name of that fleshy bud which takes part in vegetative propagation ?

A) Apical bud

B) Bulbil

C) Accessory

D) Floral buds

Q.6. A bulb without tunic and loosely arranged scale leaves is called scaly or imbricated naked bulb. It is found in

A) Onion

B) Garlic

C) Lilies

D) All correct

Q.7. A disc like reduced stem is found in

A) Ginger

B) Canna

C) Onion

D) Crocus

Q.8. A vertically growing thick usually unbranched underground stem with more diameter than length is

A) Sucker

B) Straggling

C) Corm  

D) Rootstock

Q.9. In Garlic (Allium sativum) each fleshy scale represents a bud called bulblet or clove. It is a bud because

A) It has its own tunic

B) It arises in concentric rings

C) It has a growing point & immature leaves

D) All correct

Q.10. When the entire stem with its all branches becomes green, flat, fleshy leafy to do photosynthesis and leaves are modified into spines, it is called

A) Turion

B) Phylloclade

C) Phyllode

D) Bulbils