Answer : Option BExplaination / Solution:
Each category in taxonomic hierarchy represents a rank and is commonly termed as taxon. Hence, the correct option is Ranking.
Q2.Actin filaments are found in all eukaryotic cells but reportedly absent in :
Answer : Option CExplaination / Solution:
Actin filament help in contraction and relaxation of muscles. Actin filament are found in all eukaryotic cells but it is absent in nematode sperms.
Q3.Root hairs absorb water from soil with the help of
Answer : Option CExplaination / Solution:
Root hairs absorb water from soil with the help of suction pressure created due to concentration difference of water and mineral ions present in soil.
Q4.The epithelium found in the lining of stomach and intestine is
Answer : Option BExplaination / Solution:
The columnar epithelium is found in the lining of stomach and intestine and help in secretion and absorption. It also provides barrier against harmful micro organisms.
Answer : Option AExplaination / Solution:
Hormones are generally protein components having amino acids as well as steroids. Hormones are generally not monosaccharide derivatives in nature.
Q7.Which is an important constituent of protein involved in transfer of electrons?
Answer : Option DExplaination / Solution: Plants obtain iron in the form of ferric ions (Fe3+). It is required in larger amounts in comparison to other micronutrients. It is an important constituent of proteins involved in the transfer of electrons like ferredoxin.
Answer : Option DExplaination / Solution:
Maltose in presence of maltase produce two molecules of glucose. Lactose in presence of lactase produce glucose and galactose. Sucrose in presence of sucrose produce glucose and fructose.
Q9.In the prosencephalon, first and second ventricles open into third ventricle by :
Answer : Option DExplaination / Solution:
In prosencephlon, the first and second ventricles open into third ventricles by foramen of Monro. It is the opening that connects the left and right sides of lateral ventricle in brain.
Answer : Option DExplaination / Solution:
Kelps are marine algae of class phaeophyceae or brown algae. The body of kelp may reach upto 100 meter long. They vary in colour from olive green to various shades of brown depending upon xanthophyll pigments , fucoxanthin present in them.
Total Question/Mark :
Scored Mark :
Mark for Correct Answer : 1
Mark for Wrong Answer : -0.5
Mark for Left Answer : 0