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BIOLOGY QUESTIONS AND ANSWERS
Q1, i dentify spacemen 'A'
ans, spacemen A is microscope, magnifying, instrument.
Q2, state 4 parts of spacemen 'A'
ans, i, eyepiece ii, mirror iii, stage iv, objective lengs
Q3,[color] state the function of each part mentioned in questn 2 abov
ans, i, eyepiece ~ for view the spacemen under the microscope ii, mirror ~ it reflect light through the opening of in the stage. iii, stage ~ for placing the stage. iv, objective lengs ~ for magnifying the spacemen under microscope.
Q4 state the use of spacemen 'A'
ans, for observing and study of living things that are too small to be seen really with the naked eye.
Q5, described how to use spacemen 'A'
ans, i, Adjust spacemen till it cones the into focus, using coarse adjustment knot. ii, Clip the slide iii, If there is too much light coming through close the diagram slightly. iv, Swing the nose piece till the high power objective into position make that the diagram is wide open untill you locate the best circumference of the diagram. v, Use fine adjustment to focus your spacemen.
Q6, Identify spacemen B,C.D,E and F
ans, Spacemen B maize grain Spacemen C Beans seed Spacemen D mango fruit Spacemen E Tomato fruit Spacemen F Groundnut seed.
Q7, Mention the classes of fruit which spacenen B,C,D,E, and F belog to.
ans, Spacemen | Classes of fruits B | dry indehiscent/carypsis. C | dry dehiscent/legume D | drupe E | berry F | dry dehiscent/legume.
Q8, State the scientific name of each spacemen B, C, D, E and F ans, Spacemen | Scientific name B | Zea mays C | Vigna unguaculata D | Mangifera indica E | Hycoposium esculenta F | Arochis hypogeal
Q9, State the type of germination of each spacemen B, C, D, E, and F
ans, Spacemens | Types of germination B | Hypogeal C | Epogeal D | Epogeal E | Epogeal F | Epogeal
Q10,] State the method of dispersal found in each spacemen B,C,D,E and F
ans,[color Spacemens | Method of dispersal B | By man C | By man D | By man, strock water E | By man strock water F | By man.
Q11, Differenciate between Spacemen B and C ans, Spacemen B | Spacemen C i, it bears remains of style or two scar | it bears remains of style or one scar ii, it has no microphyle | it has microphyle iii, has pericarp | has seed coat iv, develop from an ovary | develop from an ovule v, endosperm present | endosperm absent vi, one cotyledon present | two cotyledon present
Q12, Describe the stages involvee in germination of spacemen C
ans, i, seed absorbs water. ii, seed swells up. iii, seed burst. iv, radicle emerges and grow down ward to form the root system. v, plumule also emerge and grow upward to form the shoot system camping the two colyledons.
Q13, Name the condition necessary for seed to germinate
ans, i, water ii, suitable temperatur iii, oxygen or air ,iv, viability of the seed.
Q14, Name the 3 differences and 3 similarities betwee Spacemen D and E
ans, Differences Spacemen D | Spacemen E i, endocarp is hard an woody | endocarp is soft ii, only one seed | many seeds iii, large seed | small seed. Similarites Spacemen D | Spacemen E i, fleshy and succulent fruit wall | fleshy and succulent fruit wall ii, pericarps differentiated into 3 layers | pericarps differentiated into 3 layers iii, seed present | seed present
Q15, Name the phylum and class to which spacemen B,C,D,E and F belong to
ans, Phylum - sphermatophyta Class - angiospermac.
Q16, State the families to which spacemen B,C,D and F belongs to
ans, Spacemen | Family B | Gramineae. C | Papilionioeae D | Anacardiaceae F | Papilionoideae
Q17, Make a well labelled diagram 8 - 10cm long of longiludinal section (Ls) of spacemen D
Q18, Make a well labelled diagram 8 - 10cm long of longiludinal section of Spacemen E
Q19, Make well labelled diagram 8 - 10cm long of Ts of spacemen E
Q20, Identify Spacemen G,H and I ans, Spacemen | Identification G | Cocoyam (corm) H | Onion bulb I | Elephant grass
Q21 State observable features each of Spacemen G and H
ans, Spacemen G i, Presence of scale leaves ii, Presence of nodes iii, Presence of internodes iv, Presence of terminal buds v, Adventations roots grow from the base Spacemen H i, Terminal buds Present ii, Axilary buds present iii. Advantations root present iv, Scale leaves present.
Q22, State the similarities between Spacemen G & H
ans, Spacemen G | Spacemen H i, Buds present | Buds present ii, Advantations roots | Advantations root present iii, Scale leaves present | Scale leaves present iv, Food reserve present | Food reserve present
Q23, Examine carefully spacemen G and H and complete the table below in your answer booklet.
ans, Spacemen | Part of plant | one reason for identification | Biologica importance G | Stem | Presence of nodes | Food storage/regetative eproduction G | Shoot | Presence of auxillary bud | Food storage
Q24, Name the storage structure in spacemen G and H ans, Swollen underground part.
Q25, State the type of food store in spacemen G and H
ans, Spacemen | Type of food stored G | Starch H | Glucose
Q26, State the observable features of spacemen I
ans, Name the method of p i, Buds present ii, Adventations root present iii, Leaf sheath present
Q26, Name the method of propagation G, H, and I ans, Spacemen | Method of propagation G | By stem H | By sheet I | By stolon
Q28, Mention the scientific name each of spacemen G, H, and I
ans, Spacemen | Scientific name G | Colocasia esculenta H | Allium cepa I | Pensetum purpureum
Q29, Name the family each of spacemen G, H, and I
ans, Spacemen | Family G | Araceae H | Alliaceae I | Gramineae
Q30, Name the phylum and class to wich spacemen G, H, and I belongs to
ans, Spacemen G, H, and I belongs Phylum: Spermatophyta Spacemen G, H, and I belongs to Class: Angiospermac
Q31, State one use of spacemen I
ans, i, It is good for making silage.
Q32, State five economic importance of spacemen I.
ans, i, It compete with other crops for space. ii, Loses in crop. yield iii, Loses in quality of crop. iv, Loses in income of farmers. v, Reduce the palatability of some grasses.
Q33, State the adaptive features of spacemen I
ans, i, Large leaves which receives sun light for photosynthesis. ii, Well developed root system which absorbed nutrient and other materials from the soil.
NOTE, ALL THESE PRATICALS IN ALL SUBJECT ARE LIKELY POSIBLE QUESTIONS YOU MUST SEE AT THAT DAY,
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