1. : The problem caused due to the loss of water leading to dehydration is:
(A) Aerial life
(B) Aquatic life
(C) Terrestrial life
(D) Both A & B
2. : Simple substances combined to form complex substances in which reactions?
(A) Anabolic reactions
(B) Metabolic reactions
(C) Catabolic reactions
(D) None of these
3. : Generation of wastes done at the metabolic level called:
(A) Nitrogenous wastes
(B) Metabolic wastes
(C) Anabolic wastes
(D) Catabolic wastes
4. : Organic compounds contain a basic element:
(A) Sulphur
(B) Carbon
(C) Oxygen
(D) Hydrogen
5. : _________ is the maintenance of internal temperature within a tolerable range:
(A) Thermoregulation
(B) Osmoregulation
(C) Photoregulation
(D) None of these
6. : The formation of bond when multiple bonds share electrons is:
(A) Covalent bond
(B) Electrovalent bond
(C) Ionic bond
(D) Hydrogen bond
7. : From _________, Malpighian tubules remove nitrogenous waste:
(A) Coelomic fluid
(B) Hindgut
(C) Lymph
(D) Haemolymph
8. : Which one is the carbon atom?
(A) Trivalent
(B) Tetravalent
(C) Monovalent
(D) Divalent
9. : What is the term known for metabolic pathways involved in the production of urea?
(A) Hydrogen cycle
(B) Urea cycle
(C) Ammonia cycle
(D) Nitrogen cycle
10. : Which is stable to complex carbohydrate molecules?
(A) C-C
(B) C-N
(C) C-H
(D) C-O
11. : The arrangement of nephrons along the cortex is called as:
(A) Medullary nephrons
(B) Pelvic nephrons
(C) Cortical nephrons
(D) Juxtamedullary nephrons
12. : How many percentages of water are found in brain cells?
(A) 85%
(B) 95%
(C) 25%
(D) 55%