MEDGAR EVERS COLLEGE CITY UNIVERSITY OF NEW YORK DEPARTMENT OF BIOLOGY DEPARTMEN

Question

MEDGAR EVERS COLLEGE CITY UNIVERSITY OF NEW YORK DEPARTMENT OF BIOLOGY DEPARTMENTAL MID-TERM EXAM ANSWER ALL QUESTIONS 1) Of the following the correct order from largest, most inclusive group to group is A) Species, genus, famity, class, order. smallest, most specifie pecies, family. senus, class, order. ass, genus, order, family, species C) Cl D) Class, order, family, genus, species. E) Class, familily, order, genus, species 2) In lichens the fungal partner provides A) Protection to the photosynthetic partner from the environment. 8) Carbohydrates to be used for nutrition. C) Minerals and other nutrients. D) All of the above E) 8oth Aand C 3) The haploid stage in a plant life cycle is called the A) Zygote 8) Embryo C) gametophyte D) sporophyte E)conspicuous stage All insects A) undergo complete metamorphosis and have segmented bodies. 8) have jointed appendages and a radula. C) undergo complete metamorphosis and have an exoskeleton D) have jointed appendages and spicules. E) undergo incomplete metamorphosis and have parapodia. 4) S) Bacteria perform each of the following ecological roles. Which role typically does t symbiosis? A) Skin communalist 8) decomposer C) acgregator with methane-consuming archaea. D) gut mutualist E) nutritional symbiont

Explanation / Answer

1. Option D is correct.
Class is the largest inclusive group which includes many orders.

2. Option E is correct.
Fungal partner in the lichen = Mycobiont
It provides protection and helps in absorption of mineral nutrients to the algal counterpart (Phycobiont).

3. Option C is correct.
Gametophytic stage = Haploid stage
Sporophytic stage = Diploid stage

4. No Answer
90% of the insects = Complete metamorphosis.
All insects contain segmented bodies and exoskeleton.

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