CBSE Class 11   CBSE Class 11 Biology


About the CBSE Class 11 Biology category (1)
Morphology of flowering plants (1)
Define fertility factor (2)
Differentiate between Shark and Rays (2)
Metabolism is a defining feature of all living organisms without exception (4)
Multicellular organisms have division of labour. Explain (2)
Amoeba multiplies by mitotic cell division. Is this phenomena growth or reproduction? (2)
Human respiration (2)
Reproductive health class 12 (2)
Biology teacher explained students in the tution classes (2)
Lakshita was studying endocrine system for her unit test (2)
Due to some physiological reasons the blood glucose level of an otherwise normal person has risen above normal (2)
A sample of urine was diagnosed to contain high content of glucose and ketone bodies. Based on this observation, answer the following (2)
Give scientific reasons of the following statements (i) Adrenals are called glands of emergency. (ii) Parathormone is also called Collip's hormone (2)
Calcium plays a very important role in the formation of bones (2)
Explain the following by giving scientific reasons (i) Hypothalamus and pituitary function as an integrated and coordinated system (2)
Radha's father who was a diabetic does not avoid things doctor said to do him in diet (2)
George comes on a vacation to India from US. The long journey disturbs his biological clock and he suffers from jet lag (2)
Fill up the blank spaces (i) to (vi) in the table given below (2)
On an educational trip to Uttarakhand, Ketki and her friends observed that many local people were having swollen necks (2)
Distinguish between endocrine and exocrine glands (1)
Which hormonal deficiency is responsible for the following (i) Diabetes mellitus (ii) Goitre (iii) Cretinism (1)
Give examples of (i) Hyperglycaemic hormone and hypoglycaemic hormone (ii) Hypercalcaemic hormone (iii) Gonadotrophic hormones (2)
Define the following (i) Exocrine gland (ii) Endocrine gland (iii) Hormones (1)
In countries where dietary intake of iodine is low, goitres, enlargement of the thyroid are common (2)
Which hormone is responsible for maintenance of diurnal rhythm of our body (2)
What are the effects of hypothyroidism (observed during pregnancy) (2)
Differentiate between hyperglycaemia and hypoglycaemia (1)
Inflammatory responses can be controlled by a certain steroid (2)
Old people have weak immune system (2)