General Biology Comprehensive Review
A comprehensive quiz covering multiple areas of biology including reproductive biology, plant propagation, cell division, genetics, embryology, and comparative anatomy.
Questions
Which of the following is a disorder of the male reproductive system?
- Dysmenorrhoea
- Prostatomegaly
- Amenorrhoea
- Ovarian cyst
- Cervical cancer
Which of the following enzymes facilitates the penetration of sperm during ovum fertilisation?
- Relaxin
- Oxytoxin
- Progesterone
- Hyaluronidase
- Prolactin
Which of the following contains hydrolytic enzyme in sperms?
- Tail
- Neck
- Head
- Middle piece
- None of these
The type of vegetative propagation seen in chrysanthemum is known as
- runner
- sucker
- stolon
- offset
- All of the above
_____ stimulates the uterus to prepare for the implantation and nourishment of the foetus, likely to arrive after ovulation.
- Relaxin
- Estradiol
- Oxytoxin
- Prolactin
- Estrogen
The process in which specialised cells undergo repeated rounds of DNA replication without cell division is termed as
- hygocytosis
- enomitosis
- endocytosis
- exocytosis
- meiosis
Which of the following changes occur(s) when a female attains puberty?
- Growth of breast and external genitalia
- Broadening of pelvis
- Growth of pubic and axillar hair
- Initiation of mensuration and ovulation
- All of the above
Which of the following is/are not a constituent of spermatozoa?
- DNA
- Nucleolus
- Proteins
- Hydrolytic enzyme
- Mitochondria
The process in which immature ovarian follicles degenerate and are subsequently, reabsorbed during the follicular phase of the menstrual cycle is known as
- ovarian follicle atresia
- menarche
- menstrual cycle
- menopause
- None of these
Which of the following prevent(s) polyspermy?
- Acrosomal vesicle
- Zona pellucida
- Cortical granules
- Ovarian follicles
- Ovum
Name the process in which spermatogonia grows in size by accumulating cytoplasm and replicating DNA.
- Spermatocytogenesis
- Spermiogenesis
- Sametogenesis
- Spermatogenesis
- Oogenesis
Name the process by which mature spermatids are released from sertoli cells into the seminiferous tubule.
- Ovulation
- Spermiation
- Fertilisation
- Reproduction
- Maturation
Lampbrush chromosomes occur during
- prophase of mitosis
- diplotene
- metaphase of meosis
- inter-phase
- telophase of mitosis
Which mutation is used for the modification of crops at genetic level in the field of agriculture?
- Point mutation
- Induced mutation
- Lethal mutation
- Spontaneous mutation
- Homozygous mutation
The exchange of genetic material between chromatids of paired homologous chromosomes during meiotic division is called
- transformation
- crossing over
- synapsis
- chiasmata
- transfection
The primitive gut that forms during gastrulation in the developing embryo is known as
- morula
- blastocoel
- archenteron
- blastocyst
- oesophagus
Which of the following changes involve(s) differentiation of spermatozoon?
- Changes in nucleus
- Changes in cytoplasm
- Changes in mitochondria
- Changes in golgi apparatus
- All of the above
Which of the following are different from others in terms of muscular coat?
- Arteries
- Veins
- Capillaries
- Arterioles
- Veinlets
Oedema is caused by
- increase in capillary pressure
- increased permeability of the capillary walls
- decrease in rate of return of lymph
- expansion of the veinlets
- None of these
Incomplete divided ventricles can be seen in the heart of
- amphibians
- crocodiles
- reptiles
- fish
- aves