Which of the following animals do not have jaws?

1. 1. Mammals
   2. Reptiles
   3. Birds
   4. Protochordates

Sleep movements are a type of_____.

1. 1. Growth movements
   2. Turgor movements
   3. Tactic movements
   4. Paratonic movements

An increrase in plant girth due to activity of_____is called secondary growth?

1. 1. Pith.
   2. Cork cambium
   3. Vascular cambium.
   4. Both b and c

Fibrous capsule surrounding synovial joints may be thickened at some places to form:

1. 1. Synovial membrane
   2. Muscles
   3. Ligaments
   4. Tendon

In which of the following component of the body, lactic acid fermentation takes place?

1. 1. Muscles
   2. Brain
   3. Heart
   4. Liver

The haploid condition is found in _____.

1. 1. Amoeba
   2. Zygote
   3. Bacteria
   4. Ovum

Which of the following bone is not present in the hind-limb?

1. 1. Femur
   2. Radius
   3. Tibia
   4. Fibula

Number of cervical vertebrae is_____.

1. 1. 2
   2. 3
   3. 5
   4. 7

Introduction of vaccine within the body to produce immunity is an example of_____.

1. 1. Artificially induced active immunity
   2. Naturally induced active immunity
   3. Artificially induced passive immunity
   4. Naturally induced passive immunity

Which of the following organ is responsible for blood filtration:

1. 1. Liver
   2. Lungs
   3. Kidney
   4. Heart