Neco Biology 2002 Past Questions and Answers

Question 6:

• NECO 2002

Bacteria which derive energy for food synthesis by oxidizing certain inorganic compounds are said to be ____________

A. Chemosynthetic
B. Heterotrophic
C. Parasitic
D. Photosynthetic
E. Saprophylic

Question 7:

• NECO 2002

The result of placing a plant cell in a hypertonic solution for a long time is ____________ of the cell.

A. Crenation
B. Flaccidity
C. Haemolysis
D. Turgidity
E. Vasodilation

Question 8:

• NECO 2002

Which statement about how all life started is NOT true according to current thinking on evolutionary trends?

A. Animals to plant life
B. Aquatic to terrestrial forms
C. Non-specialization to specialization in functions
D. Simple to complex forms
E. Unicellularity to multicellularity

Question 9:

• NECO 2002

What is NOT a supporting tissue in plant?

A. Collenchymas
B. Coracoid
C. Parenchyma
D. Sclerenchyma
E. Xylem

Question 10:

• NECO 2002

Mammals are said to be homoiothermic because their body temperature is ____________

A. Always higher than that of their environment
B. Always lower than that of their environment
C. Always the same as that of their environment
D. Relatively constant irrespective of that of their environment
E. Remains at 37 ^o c all the time