Zoology
Which of the following sets of animal belong to the same class?
A.
Spider, scorpion, crab
B.
Prawn, cockroach, lobster
C.
Grasshopper, cockroach, mosquito
D.
Barnacle, shrimp, crayfish
The blood glucose level is commonly expressed in:
A.
Millimetre of Hg
B.
Milligram per deciliter
C.
Parts per million
D.
Grams per liter
The common name of Ascaris lumbricoides is:
A.
Shipworm
B.
Tapeworm
C.
Roundworm
D.
Hookworm
Which of the following classes include exclusively endoparasitic flatworms?
A.
Nematoda
B.
Trematoda
C.
Turbellaria
D.
Cestoda
Example of a viviparous fish is:
A.
Labeo
B.
Hippocampus
C.
Exocoetus
D.
Scoliodon
Which of the following is an insect?
A.
Spider
B.
Mite
C.
Termite
D.
Tick
Coelom in Arthropoda is:
A.
Pseudocoel
B.
Schicocoel
C.
Haemocoel
D.
Entrocoel
Centipedes belong to class:
A.
Diplopoda
B.
Chilopoda
C.
Pauropoda
D.
Insecta
Plant breeders have an advantages over animal breeders in reproducing a desired type of offspring because the plant breeder can utilize:
A.
Gene mutation
B.
Selection
C.
Hybridization
D.
Vegetative Propagation
Meiosis is a type of cell division in which:
A.
Number of chromosomes is reduced to half
B.
Number of chromosomes remains the same
C.
Chromosomes undergo longitudinal splitting
D.
Two haploid daughter cells are produced
Mark the correct sequence of mitosis:
A.
Prophase ---> Metaphase ---> Anaphase ---> Telophase
B.
Prophase ---> Anaphase ---> Telophase ---> Metaphase
C.
Anaphase ---> Prophase ---> Metaphase ---> Telophase
D.
Prophase ---> Anaphase ---> Telophase ---> Metaphase
The main function of nucleolus is:
A.
To irritate cell division
B.
Biogenesis of ribosomes
C.
Formation of nucleolar organizer chromosomes
D.
Formation of false nucleoli
Which one the following is incorrect?
A.
Endoplasmic reticulum (ER) membrane from the new nuclear envelope after cell division
B.
ER membrane protect the cell from the toxic effects of various substances
C.
ER acts as respiratory system
D.
None of the above
If the ribosomes of a cell are destroyed then:
A.
Fats will not be stored
B.
Proteins will not be formed
C.
There will be no respiration
D.
There will be no metabolic activities
The term gene for Mendel's factor was coined by:
A.
J.B.S Haldane (1929)
B.
A.L Herrera (1930)
C.
Purkinjie (1850)
D.
Johannsen (1909)
The Bleeder's disease haemophilia is caused by :
A.
A sex-linked recessive gene located in the X-chromosomes
B.
A sex-linked dominant gene located in the X-chromosomes
C.
A sex linked recessive gene located in the Y-Chromosomes
D.
A sex-linked dominant gene located in the Y-Chromosomes
The primary structure of a protein is due to:
A.
Peptide bonds
B.
Hydrogen bonds
C.
_S_S linkages
D.
Ionic bonds
The difference between RNA and DNA is because of:
A.
Sugar and base
B.
Sugar and phosphate
C.
Phosphate and base
D.
Sugar only
Which of the following is a storage protein?
A.
Keratin
B.
Collagen
C.
Casein
D.
Haemoglobin
mRNA is a polymer of:
A.
Deoxyribonucleosides
B.
Ribonucleosides
C.
Deoxyribonucleotides
D.
Ribonucleotides
Among the great classics of cell biology is the book 'Micrographia'. It is written by:
A.
Robert Hooke
B.
Anton Von Leuwenhoek
C.
Robert Brown
D.
Hugo Von Mohr
The Kreb's cycle occurs:
A.
In the matrix of mitochondria
B.
In the inner membrane of mitochondria
C.
In the perimitochondrial space of mitochondria
D.
In the outer membrane of mitochondria
During cell division, the mitochondria:
A.
Increase in number
B.
Disappear
C.
Get arranged in the periphery of the cell
D.
Get concentrated around the spindle
When phagosomes or pinosomes fuse with pre-existing lysosomes the lysosome, formed is called as:
A.
Primary lysosome
B.
Secondary lysosome
C.
Residual bodies
D.
Cytolysosome
DNA in the chromosomes of bacteria are found to be:
A.
Elongated and single stranded
B.
Elongated and double stranded
C.
Circular and single stranded
D.
Circular and double stranded