Zoology - Online Test
Q1. The resting phase is otherwise called as
Answer : Option D
Explaination / Solution:
The interphase, though called the resting phase, is the time during which the cell is preparing for division by undergoing cell growth in an orderly manner. No divisional activities occur during this phase. Hence the name.
Q2. The goi is able to multiply in the bacterial cell because of
Answer : Option A
Explaination / Solution:
The goi (gene of interest) is able to multiply in bacterial cell because of Ori (Origin of replication)in the plasmid of bacterial cell. Ori is a particular sequence in a genome at which replication is initiated.
Q3. Urinary bladder helps to :
Answer : Option C
Explaination / Solution:
The urinary bladder is a hollow elastic organ that functions as the body's urine storage tank. Urine produced by the kidneys flows through the ureters to the urinary bladder, where is it stored before passing into the urethra and exiting the body.
Q4. Which one of the following is present today but was absent about 3.5 billion years ago?
Answer : Option B
Explaination / Solution:
Oxygen is present today in atmosphere but it was absent in atmosphere about 3.5 billion ago when origin of life begun on earth surface.
Q5. The first step in taxonomy is
Answer : Option D
Explaination / Solution:
The basics of taxonomy is identification, naming and classification of organisms are universally evolved under international codes. Hence, the correct option is Identification.
Q6. The property which doesn’t belong to muscle fibres is :
Answer : Option D
Explaination / Solution:
Muscle fibres have properties of excitability, elasticity and contractility but conductivity is not present in muscles fibers. These fibres help in movement of different body parts.
Q7. Biofortification is done to
Answer : Option D
Explaination / Solution:
Biofortification is the method to enhance the nutritional value of seeds by changing the gene of the crop that produces more protein, vitamins or other nutrient.
Q8. Which of the following contraceptive method is useful to control STD’s as well as unwanted pregnancy
Answer : Option A
Explaination / Solution:
Condoms are protective covering of penis that do not allow the passage of semen into vagina of female during sexual intercourse. This contracetive prevents the fusion of body fluid of male and female and protect from STDs.
Q9. What makes up more than one-half the volume of neural tissue in our body?
Answer : Option A
Explaination / Solution:
The neuroglial cells which constitute the rest of the neural system protect and support neurons. Neuroglia makes up more than one-half the volume of neural tissue in our body.
Q10. Which system of classification was developed during Linnaeus time?
Answer : Option B
Explaination / Solution:
In Linnaeus' time a Two Kingdom system of classification with Plantae and Animalia kingdoms was developed that included all plants and animals respectively. This system was used till very recently.
