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MIDTERM5
1- 1- Regeneration in reptile 2- Division in amoeba
3- Formation of spores in ferns
Which of the given above events can be made by mitosis ?
a) 2 b) 2 , 3 c) 1 , 3 d) 1 , 2 e) 1 , 2 , 3
2- Which of the following does reproduce by regeneration ?
a) Human b) Apple c) Lizard d) Starfish
3-How fatherless bees were experimentally obtained ?
a) Budding b) Regeneration c) Binary fission
d) Metamorphosis e) Parthenogenesis
4-Which of the following describes reproduction of human ?
a) Conjugation b) Isogamy c) Heterogamy
d) Regeneration e) Oogamy
5-In ferns, the following are all characteristics of spores except:
a) They are haploid b) They are usually unicellular
c) They germinate and develop into a gametophyte
d) They are formed by meiosis
6- What number of chromosomes would be expected in the sperm of a drone developed from the egg of a queen honeybee
A) n/2 B) n C) n + 1 D) 2n 1 E) 2n
7- Which of the following is not part of the reproduction system in male mammals ?
A) Vas deferens B) Urethra C) Semniferous tubules
D) Epididymis E) Vagina
8- Formation of eggs in the ovaries is called
a)Spermatogenesis b) Gametogenesis c) Parthenogenesis d) Oogenesis e) Conjugation
9- In mammals, fertilization of the egg occurs in the
a) Ovary b) Oviduct(Fallopian tube) c) Uterus
d) Vagina e) Follicle
10-After the fertilization, the food of seed is formed by
a) Anther b) Ovary c) Pollen tube d) Endosperm e) Egg
11- The structure that includes all the others is
a) Ovary b) Ovule c) Style d) Pistile e) Stigma
12-Ligustrum vulgare has 50 chromosome.How many chromosomes are there endosperm of this plant ?
a) 48 b) 24 c) 75 d) 144 e) 192
13-In plants pollens are produced in
a) Ovary b) Anther c) Stamen d) Stigma e) Style
14- Double fertilization refers to the fact that
a)two eggs are fertilized by a single sperm
b)two eggs are fertilized by two sperm
c)one sperm fuses with the egg; the other fuses with the polar nuclei
d)one sperm fuses with the egg; the other fuses with the vegetative nucleus.
15- Seed develops from
A- Hilum B-Pollen tube C-Ovary D- Anther E- Ovole
16- Fruits develop from.
A- Ovary B- Stigma C- Anther D- Filament E- Ovule
17-In flowering plants, how many antipodial cells are formed from 20 macrosporocytes ?
A- 60 B- 45 C- 20 D- 15 E- 0
18-Which of the following is found in structure of seed ?
A- Antipodial cells B- Egg C- Pollens
D- Endosperm E- Generative nucleus
19-Which of the following is true for all parts in mosses ?
Sporophyte Gametophyte Gametes Zygote
A- n n n 2n
B- 2n n 2n n
C- 2n 2n n 2n
D- 2n n n 2n
E- 2n 2n 2n 2n
20- Asexual reproduction increase.
A-Heredity B-Variation C-Mutation D-Genes E-Number
21-A living thing can produce both sperm and egg. This type of living thing is called
A- Male B- Female C- Hermaphrodite D-All E- None
22-
I. Embryonic development
II. Meiotic cell division
III. Gamete formation
IV. Fertilization
Which of the above occur in the reproductive organs of all vertebrate ?
A) 1 and 2 B) 1 and 3 C) 1 and 4 D) 2and 3 E) 2 and 4
23- In which of the following reproduction strategies is the frequency of crossing over highest ?
A) budding in yeast
B) Formation of sperm
C) sporulation in mushroom
D) development of eyes in potato tube
E) development of runners in strawberries
24- If a point mutation occurred in a recessive gene of a worker honeybee, in which offspring of the first generation would the effect of the mutation be observed ?
A) Queens and drones
B) Queens and workers
C) Queens
D) Workers
E) None of them
25- Examine the reproductive strategies listed bellow
I. Fusion of male and female gametes
II. Self fertilization of hermaphrodites
III. Cross fertilization between hermaphrodites
IV. Formation of new individuals by budding
In which of the following pairs is there least genetic variety ?
A)1 and 2 B)1and 4 C)2 and 3 D)2 and 4 E)3 and 4
Tıme: 30 min AHMET KALALI
Each one is 4 points BIOLOGY TEACHER