Multiple Choice QuestionsMatch the column I with column II and choose the correct option.
| Column I | Column II |
| A.Goblet cells | 1.Antibacterial agent |
| B.Lysozyme | 2.Mucous |
| C.Saliva | 3.HCl |
| D.Oxyntic cells | 4.Sublingual gland |
A - 3; B - 1; C - 4; D - 2
A - 2; B - 3; C - 1; D - 4
A - 1; B - 3; C - 4; D - 2
A - 2; B - 1; C - 4; D - 3
D.
A - 2; B - 1; C - 4; D - 3
| Column I | Column II |
| A.Goblet cells | 2. Mucous |
| B.Lysozyme | 1.Antibacterial agent |
| C.Saliva | 4.Sublingual gland |
| D.Oxyntic cells | 3.HCl |
The oldest fossil belongs to which of thefollowing group of plants/ animals?
Asteriodae
Rhodophyceae
Blue- green algae
Phaeophyceae
C.
Blue- green algae
The oldest fossiles belongs to blue-green algae, was found in the sediments of South Africa about 3.2 billion years ago.
Select the type of enzyme involved in the following reaction
S - G + S'S + S' - G
Lyase
Transferase
Hydrolase
Dehydrogenase
B.
Transferase
Transferase is a class of enzymes that catalyse the transfer of a group of atoms from one molecules to another.
Lyaseis an enzyme that catalyzes the breaking of various chemical bonds by means other than hydrolysis and oxidation, often forming a new double bond or a new ring structure.
Hydrolase is an enzyme that catalyses the hydrolysis of a particular substrate.
Dehydrogenase is an enzyme that catalyses the removal of hydrogen atoms from a particular molecule, especially in ETC reactions.
Which of the following animals has a tetramorphic colony?
Velella
Physalia
Obelia
Porpita
B.
Physalia
Physalia is tetramorphic in nature, it consists of
(i) a small dactylozooid with a long slender tantacle.
(ii) a gastrozooid with mouth but no tentacle.
(iii) a branched gonozooid, which bears both male and female gonophores.
(iv) a large dactylozooid with an enormous nematocyst bearing fishing tentacle.
A function of lysosomes is
replication
hydrolysis
respiration
None of the above
B.
hydrolysis
Lysosomes is a simple spherical sac surrounded by a single membrane. They contain digestive or hydrolytic enzymes synthesised by RER.
Mehli's gland in tapeworm is associated with
respiration
reproduction
excretion
circulation
B.
reproduction
Mehli's gland in tapeworm is associated with reproduction. It is situated distally in the proglottid. The ootype is surround by numerous unicellular shell gland called Mehli's gland.
Ringer's solution contains
Na+ + Cl- ions
Na+ + K+ ions
Na+ + K+ + Cl- ions
K+ + Cl- ions
B.
Na+ + K+ ions
Ringer's solution was introduced by the physiologist Sidney Ringer in 1882 for the frog heart. The solution consists of sodium chloride, potassium chloride, sodium bicarbonate, and calcium chloride in the concentrations in which they occur in body fluids and that is isotonic to animal tissues.
Mitochondria and chloroplasts are similar because
both have 80S ribosomes
both have nuclei
both have single membrane envelope
both have DNA
D.
both have DNA
Both are semi-autonomous organelles. Both of these possess circular DNA.
Which of the following statements regarding universal rules of nomenclature is wrong?
The first word denoting the genus starts with a capital letter
The first word in a biological name represents the genus
Biological names are generally in Greek and written in italics
Both the words in a biological name, when hand-written, are separately underlined
C.
Biological names are generally in Greek and written in italics
Binomial nomenclature is the system of providing organisms with appropriate and distinct names consisting of two words, first generic and second specific.
The first word is also called as genus and is written in capital form. The second or specific name represents the species and thefirst letter of species is written in small
form. The scientific name is printed in italics. It is underlined in hand written description.
Select the correct set of animals of Class- Mammalia.
Lion, bat, whale, ostrich
Whale, bat, kangaroo, hippopotamus
Lion, hippopotamus, penguin, bat
Hippopotamus, penguin, whale, kangaroo
B.
Whale, bat, kangaroo, hippopotamus
Whale, Bat, Kangaroo and Hippopotamus belongs to Class- Mammalia. Characteritics of the mammals in this class are-
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