Welcome to Schoolngr.com

Home   School   News   C B T   Classroom
Friday, 05 July 2024

RegisterLogin

Biology 1978 Jamb Past Questions and Answers

Exam year:
Question type:
Topics:

Biology 1978 Jamb Past Questions


Question 11 :



when protein are broken down they provide

A. Oxygen
B. Carbonhydrate
C. Energy
D. Amino-acid
E. Carbon dioxide


Question 12 :



the function of lenticels is

A. To remove excess water in plant
B. To absorb water from the atmosphere
C. For gaseous exchange
D. To absorb light
E. To store food


Question 13 :



The following events take place during conjugation in spirogyra 1. The protoplasm of each of the conjugating cell separate from the cell wall to form a Gamete; the gamete of one filament passes through the conjugation tube to meet the gamete of the other filament 2. The zygote soon become surrounded by thick brown wall to become zygospore which burst after a short rest and germinate to produce a new filament 3. The nuclei of the gametes fuse to form a zygote 4. The protuberance meet and where they touch the cell-wall disappear so that a conjugation tube joining the two cell is formed 5. protuberance appear on the wall of the cell of two filament of spirogyra lying side by side opposite one another. Now what is the correct sequence in which the above sequence occur?

A. 1,2,3,4,5
B. 1,2,4,5,3
C. 3,4,5,2,1
D. 5,4,1,3,2
E. 5,4,3,1,2


Question 14 :



Which of the following is a characteristic of animal cell?

A. Presence of chloroplast
B. Possession of cellulose cell-wall
C. Absence of large vacuoles
D. Presence of large vacuoles
E. Presence of chromosome


Question 15 :



Nitrifying bacteria keep the soil fertile by

A. Converting nitrate to nitrogen
B. Converting ammonium salt to nitrate
C. Converting atmospheric nitrogen to plant nitrogen
D. Converting nitrate to nitrous oxide
E. Converting atmospheric nitrogen to nitrates






AboutContact usBack to Top
...

Disclaimer
All Views, Names, Acronyms, Trademarks, Expressed on this website are those of their respective owners. Please note that www.schoolngr.com is not affiliated with any of the institutions featured in this website. It is always recommended to visit an institutions or sources official website for more information. In the same vein, all comments placed here do not represent the opinion of schoolngr.com


SCHOOLNGR - © 2020 - 2024 - Tayo Hammed | Terms Of Service | Copyright | Privacy Policy