Jamb 2013 Biology Past Questions And Answers
1
The male reproductive organ of a flower is the
- A. carpel
- B. stamen
- C. petal
- D. sepa
2
The solid part of the ecosystem is referred to as the
- A. atmosphere
- B. hydrosphere
- C. biosphere
- D. lithosphere
3
The gland that is found just below the hypothalamus is the
- A. parathyroid
- B. adrenal
- C. pituitary
- D. thyroid
4
The eye defect cause by the development of cloudy areas in the lenses is
- A. presbyopia
- B. glaucoma
- C. cataract
- D. astigmatism
5
Which of the following types of feathers is used for flight in birds?
- A. Quill
- B. Filoplume
- C. covert
- D. Down
6
The most important plant hormone is
- A. cytokinin
- B. abscisic acid
- C. auxin
- D. gibberellin
7
The organelles present in cells that are actively respiring and photosynthesizing are
- A. lysosomes and ribosomes
- B. Golgi apparatus and endoplasmic reticulum
- C. nucleus and centrioles
- D. mitrochondria and chloroplast
8
The absence of anti-diuretic hormone in humans results in
- A. decreasing dehydration
- B. drastic dehydration
- C. eliminating dehydration
- D. increasing dehydration
9
Which of the following forms about 55% of the volume of the blood in man?
- A. leucocytes
- B. platelets
- C. plasma
- D. erythrocytes
10
Which of the following is caused by Treponema palladium?
- A. Gonorrhea
- B. Leprosy
- C. Tuberculosis
- D. Syphilis