Biology Test 03 MCQs Online for Preparation

1. In cystic fibrosis, the patient lacks a gene that codes for trans-membarene carrier of?

A. Carbon dioxide

B. Sodium ion

C. Chloride ion

D. Potassium ion

2. A seed may be defined as a fertilized?

A. Egg

B. Ovary

C. Ovule

D. Embryo

3. Platyhelminthes means?

A. Flat worms

B. Tape worms

C. Pin worms

D. Round worms

4. The human body contains water?

A. 70-90%

B. 80-90%

C. 75-95%

D. 60-80%

5. In birds the sex is determined by the type of?

A. Egg

B. Sperm

C. None of these

D. Autosomes

6. In RNA nucleotides are attached by?

A. Covalent bond

B. Peptide bonds

C. Hydrogen bonds

D. Phosphodiester bond

7. Fresh water ecosystem covers?

A. 3%

B. 1%

C. 5%

D. 2%

8. The first land vertebrates were?

A. Dipnoi

B. Amphibia

C. Reptilia

D. Aves

9. All life on planet earth is powered by?

A. Kinetic energy

B. Thermal energy

C. Tidal energy

D. Solar energy

10. Environment is a source of?

A. Food

B. Shelter

C. Clothing

D. All of these

11. Foul smell in lake is produced by?

A. Bacteria

B. Fungi

C. All of these

D. Algae

12. The chromosome is?

A. DNA + genes

B. Genes + protein

C. Gene

D. Gene + protein

13. Which gene is located on linkage group number 11 in man?

A. Albinism

B. Sickle cell anemia

C. Leukemia

D. All of these

14. Fungi can absorb food from the substrate because the have?

A. Rhizoids

B. Sporangium

C. Spores

D. Stalk

15. Recombinant DNA is introduced in to host cell by means of?

A. Enzyme

B. Vector

C. Bacteria

D. Phage

Biology Test 03 MCQs Online for Preparation

Leave a Reply Cancel reply