Options:
- A. cholesterol
- B. waxes
- C. chitin
- D. all of these
View Answer
B. waxes
Biology
Ingestion of some water with food in Amoeba takes place by the process of ______ ?
Options:
- A. Endosmosis
- B. Pinocytosis
- C. Phagocytosis
- D. None of these
View Answer
C. Phagocytosis
What is hibernation and aestivation________?
Options:
- A.Thermal adaptation shown by animals
- B.
- C.
- D. none of the above
View Answer
A.Thermal adaptation shown by animals
Which of the following is true about hearts of earthworm?
Options:
- A. There are 5-7 pairs of heart.
- B. They are present between 1-7th segments.
- C. They are present lateral to the oesophagus.
- D. They pump blood from ventral to dorsal vessel.
View Answer
C. They are present lateral to the oesophagus.
Which of the following excretory structure is associated with gut of the organism?
Options:
- A. Protonephridium
- B. Metanephridium
- C. Malpighian tubules
- D. Nephrons
View Answer
C. Malpighian tubules
Which of the following structure in plant
Options:
- A. Stem
- B. Leaves
- C. Flowers
- D. Roots
View Answer
B. Leaves
Which of the following is most toxic?
Options:
- A. Ammonia
- B. Urea
- C. Uric acid
- D. Trimethylamine oxide
View Answer
A. Ammonia
The phylum chrordata comprise about how many species?
Options:
- A. 25,000
- B. 50,000
- C. 100,000
- D. 10,00,000
View Answer
B. 50,000
Microfossile often present in petroleum producing formationsare those of__________?
Options:
- A. Diatioms
- B. Heliozoans
- C. Radiolarians
- D. Foraminiferans
View Answer
A. Diatioms
Which one of these is a set of useful insects?
Options:
- A. Sandfly , butterfly, hoeybee
- B. Sikmoth, honeybee, locust
- C. Honeybee, silkmoth, tsetse fly
- D. Honeybee , lac insect, cochineal insect
View Answer
D. Honeybee , lac insect, cochineal insect