Self pollination is not possible in _____.

1. 1. Pawpaw
   2. Dioecious plants
   3. Flowers
   4. Both A and B

Which blood cells are called “Soldiers” of the body_____.

1. 1. WBC
   2. RBC
   3. Platelets
   4. None of these

Zygote with three copies chromosome 21, is known to cause _____.

1. 1. Scurvy
   2. Downs syndrome
   3. Parkinson Disease
   4. Hay fever

Scolidon or dog fish belong to the group of fishes called_____.

1. 1. Running fishes
   2. Cartilaginous fishes
   3. Bony fishes
   4. Jawless fishes

In some cases the blastomere can produce complete embryo the cleavage will be _____.

1. 1. Spiral and indeterminate
   2. Radial and determinate
   3. Spiral and determinate
   4. Radial and indeterminate

In plants there are_____asic types of tissues?

1. 1. 4
   2. 6
   3. 3
   4. 5

Those bacteria which are fully dependent upon their host for nutrition are called_____.

1. 1. Saprophytic bacteria
   2. Chemosynthetic bacteria
   3. Heterotrophic bacteria
   4. Parasitic bacteria

Which of the following organ is responsible for body metabolism?

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

Who discovered Fats?

1. 1. Michel-Eugène Chevreul
   2. Leeuwenhoek
   3. W. Scheele
   4. All of these

At which times there is no net gaseous exchange between leaves and the atmosphere.

1. 1. Night time
   2. Dawn & Dusk
   3. Mid night
   4. Day time