Which of the following statements regarding nitrogen nutrition of plants is wrong?

How many bones are there in human body?

If father and mother are possessing Rh +ve and Rh –ve blood respectively, their children will have the blood group with

Guttation is a process in plants by which

The transmission from one neuron to another takes place through chemicals called neuro transmitters. Which of the following are neuro transmitters?
1.Adrenalin
2.Thyroxine
3.Acetylcholine

Match List I with List II and select the correct answer using the codes given below.
List I                                               List II
(Plant tissue)                            (Function)
A.Sclerenchyma                           1. Conduction of water
B.Xylem                                        2. Transport of food
C.Phloem                                     3. Mechanical strength
D.Meristem                                 4. Cell division
                                                 5. Carbon assimilation

Match List I with List II and select the correct answer using the codes given below.
List I                                                        List II
A.Rods                                                     1. Nervous coat of eye
B.Cones                                                   2. Photo receptor
C.Iris                                                        3. Regulate amount of light entering the eye
D.Retina                                          4. Receive stimulus of light

Which of the following statements about liver are true?
1.It secretes bile enzyme.
2.It forms fibrinogen that helps in clotting of blood.
3.It produces heparin which prevents blood clotting in blood vessels.
4.It is affected by excessive alcohol intake,

In mammals, the sequence of bones from shoulder to finger tips is

The correct sequence of passage of air through the respiratory tract during respiration is