Zoology - Online Test
Q1. Each chromosome consists of ---- chromatid.
Answer : Option A
Explaination / Solution:
The resulting two identical copies of DNA are connected to each other at the centromere. Each copy is called a chromatid. A chromosome, before cell division is formed of one chromatid while it is formed of two chromatids after cell division.
Q2. The extraction of DNA from the agrose gel is called as
Answer : Option C
Explaination / Solution:
The extraction of specific bands of DNA from agarose gels in which they are separated through electrophoresis is known as elution. There are many methods for eluting DNA from a piece of agrose.
Q3. In the following diagram what are 7,9 & 10 :
Answer : Option D
Explaination / Solution:
Towards the centre of the innerconcave surface of the kidney is a notchcalled hilum through which ureter, bloodvessels and nerves enter. Inner to the hilumis a broad funnel shaped space called therenal pelvis with projections called calyces. The medulla is divided into a few conical masses projecting into the calyces. Thus, 7, 9, and 10 are pelvis, hilum and calyx respectively.
Q4. According to early Greek thinker unit of life called
Answer : Option D
Explaination / Solution:
According to early Greek thinker units of life called spores. These spores were transferred to different planets including earth.
Q5. Which are the terms interchangeable?
Answer : Option A
Explaination / Solution:
Thecharacterisation, identification, classification and nomenclature are the processes that are basic to taxonomy as well as systematics. Hence, the correct option is Taxonomy and systematics.
Q6. What do the following figure represent in (i),(ii) and (iii) ?
Answer : Option D
Explaination / Solution:
Figure represents muscle fibres marked
i. as M-line,
ii as actomyosin myofilaments and
iii. Represents Z-line.
Q7. AIDS can be detected by
Answer : Option B
Explaination / Solution:
A series of blood screenings are performed to test for HIV. The enzyme-linked immunosorbent assay (ELISA), also known as an enzyme immunoassay (EIA), is the first test that your healthcare provider will order to screen for HIV. ELISA, like the Western blot test, detects HIV antibodies in your blood.
Q8. Name the fluid from which foetal cells are obtained for chromosomal analysis.
Answer : Option A
Explaination / Solution:
Amniotic fluid is used to obtain foetal cells for chromosomal analysis. This method is misuse as it can determine the sex of foetus. The fluid is collected form the surrounding of growing foetus.
Q9. The most abundant type of animal tissue in the complex animals is
Answer : Option B
Explaination / Solution:
The most abundant type of animal tissue connective tissue as it forms variety of tissues such as blood, bone, cartilage, adipose, lymph, tendon and ligament. These connective tissue types perform wide range of functions in the animal body such as giving support, packing, repairing, storing of fat, connecting different organs, etc.
Q10. All prokaryotic, unicellular organisms are included under kingdom
Answer : Option D
Explaination / Solution:
All prokaryotic, unicellular organisms are included in the kingdom Monera. The Eukaryotic unicellular organisms are placed in Protista kingdom.
