Biology Past Questions And Answers
1481
The part of a leguminous plant where bacteria like Azotobacter can be found is
- A. at the nodes of the stem
- B. at the internodes
- C. in the root nodules
- D. in the spongy mesophyll
1482
The organ which is sensitive to light in euglena is the
- A) gullet
- B) chloroplast
- D) contractile vacuole
- C) eye spot
1483
The earliest form of life in animal kingdom is the
- A. aves
- B. amphibian
- C. pisces
- D. reptilia
1484
Which of the following structures controls the activities of the living cell?
- A. Nucleus
- B. Centrosome
- C. Chloroplast
- D. Golgi body
1485
The heart can beat continuously without being fatigued because it is composed of________
- A. skeletal muscles
- B. smooth muscles
- C. cardiac muscles
- D. renal muscles
1486
The most important characteristic that makes reptiles to conquer terrestrial habitats is the possession of
- A. long tail
- B. scaly skin
- C. sharp claw
- D. amniotic egg
1487
The excretory product of some reptiles, birds and insects is
- A. urea
- B. urine
- C. ammonia
- D. uric acid
1488
The group of insects that undergoes complete metamorphosis is
- A. houseflies, beetles and cockroaches
- B. cockroaches, grasshoppers and bees
- C. houseflies, beetles and butterflies
- D. aphids, grasshopper and butterflies
1489
The organelles in cells which are also referred to as suicidal bags are the
- A. mithchondria
- B. lysosomes
- C. ribosomes
- D. nuclei
1490
Which of the following is the basic unit of classification?
- A) genus
- B) species
- C) phylum
- D)kingdom