Biology Past Questions And Answers
The largest game reserve in Nigeria is the
- A. Kianji game reserve in Niger state
- B. Zamfara Forest Reserve In Sokoto state
- C. Yankari game reserve in Bauchi state
- D. Borgu park reserve in Niger state
In an experiment, a red-flowered plant was crossed with another red-flowered plant and the following results were obtained: 448 red flowers and 154 white flowers in the F1 generation. Which of the following represents the phenotypic ratio of the above genetic cross?
- A. 1:2:1
- B. 4:1
- C. 3:1
- D. 2:2
Which of the following is not a skeletal tissue?
- A. Plasma
- B. Chitin
- C. Cartilage
- D. Bone
a.Complete the table below
| Element | Function in plants | Effect of deficiency in plants |
| Iron | ||
| Molybdenum | ||
| potassium | ||
| copper | ||
| nitrogen |
b.Name three classes of organic foods which are essential constituents in the diet of a mammal.
c.State two roles each of the following structures of the digestive system in humans:
i.buccal cavity ii, duodenum iii.stomach
d. Name the end product of adding dilute hydrochloric acid to sucrose
View Discussion (0)WAEC 2023 THEORYThe following habitats can be used in the study of succession except
- A. savanna grassland
- B. abandoned farmland.
- C. a pond
- D. a well cultivated land
Which of the following food substances would produce a translucent mark when rubbed on a white paper?
- A. Potato
- B. Beans
- C. Mango
- D. Groundnut
The evidence that supports the advancement of ferns over mosses is derive from
- A. comparative anatomy
- B. molecular records
- C. biochemical similarities
- D. physiological records
Night-blindness result from a deficiency of
- A. vitamin E
- B. Vitamin A
- C. Vitamin K
- D. Vitamin C
The enzyme that curdles milk is_____________
- A) Pepsin
- B) Ptyalin
- C) Renin
- D) Amylase
The diagram below is an illustration of a human brain. Study it and answer this question The part labelled I is the_________
- A. olfactory lobe
- B. cerebellum
- C. cerebrum
- D. med