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Quiz 5
Mdcat-past-papers - NMDCAT - Biology Quiz
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Board: NMDCAT | Subject: Biology |
81. Male reproductive system consists of a pair of testes which lie in a sac called:
Pelvic cavity
Abdominal cavity
Scrotum
Prostate gland
82. Which of the following represents the changes that occur in the ovary and the uterus approximately every 28 days involving ovulation with the breakdown and loss of the lining of the uterus?
Ovulation
Menstrual cycle
uterine cycle
embryo formation
83. Which of the following hormones of pituitary gland regulate the menstrual cycle?
FSH & estrogen
Luteinizing hormone & estrogen
FSH & luteinizing Hormone
Estrogen & Progesterone
84. After fertilization, the ovum formed is:
haploid
diploid
polyploidy
may be haploid or diploid
85. Ovulation is induced by:
LH
LTH
estrogen
FSH
86. Placenta is formed by:
LH
FSH
progesterone
estrogen
87. Proliferation phase of menstrual cycle occurs b/w --- days.
5-Jan
14-Jun
15-28
28-36
88. Inhibition of which hormone causes breakdown of uterine walls:
Estrogen
Progesterone
LH
FSH
89. Shedding of wall of uterus occurs in:
Post ovulatory phase
Secretory phase
menstrual phase
proliferative phase
90. The process of oogenesis starts at which stage of individual?
Embryonic stage
at the age of 20years
at the age of 18 years
after puberty
91. In 16-28 days of menstrual cycle what happens?
Shedding of endometrium
LH releases
progesterone releases in large amount
menstruation occurs
92. The particular array of chromosomes that an individual possesses is called its:
Genotype
Phenotype
karyotype
allele
93. Law of independent assortment states:
That each pair of alleles assort independently of other pairs of alleles during gamete formation
that alleles of each pair of contrasting trait have unequal probability to assort with the alleles of other pair
That the two coexisting alleles for each trait segregate from each other at meiosis and
None of these
94. Phenotype is:
The genetic complement i.e the genes in an individual for a particular trait.
Partner of gene pair
the form of appearance of a trait
The position of a gene on the chromosome
95. How many chances of a mother to give birth to son or daughter?
1:02
2:01
3:01
1:01
96. In which of the following male is homogametic and sex of the offspring is determines by the female?
Man
Drosophila
Butterfly
a & b
97. Homozygous means:
similar alleles
different alleles
different traits
different genes
98. Functional unit of DNA is:
Nucleus
Gene
chromosome
nucleolus
99. The incorrect statement regarding crossing over is:
produces recombinant genes
Occur during prophase of meiosis-1
tightly linked genes can easily crossover
if distance between linked genes increases recombinant frequency also increases
100. This theory says that "mitochondria and chloroplasts are ancient bacteria which now live inside the larger cells":
Darwin's theory of evolution
Lamarckinism
Neo-darwinism
Endosymbiontic theory
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