The first stage of development in which a cavity appears is the__________?
A. Neurula
B. Morula
C. Gastrula
D. Balastula
Biology Mcqs
In living organisms the lubricant which provides protection against damage resulting from friction is___________?
In living organisms the lubricant which provides protection against damage resulting from friction is___________?
A. Carbohydrates
B. Fatty acid
C. Water
D. Protein
The basic structural unit of a chromosome is____________?
The basic structural unit of a chromosome is____________?
A. The centromere
B. Nuceleosome
C. Telomere
D. Histone
Exposure to low temperature stimulates plants to flower. This is called___________?
Exposure to low temperature stimulates plants to flower. This is called___________?
A. Photoperiodism
B. Thermotropism
C. Vernalisation
D. Thermoregulation
In Cx(H2O)y x ranges from______________?
In Cx(H2O)y x ranges from______________?
A. 1 to 3 thousand
B. 3 to many thousand
C. 3 to 5 thousand
D. 5 to 9 thousand
The cells present in testes and secrete testosterone are___________?
The cells present in testes and secrete testosterone are___________?
A. Sertoli cells
B. Germinal cell
C. Interstitial cells
D. Spermatocyte
Glycolipids and glycoproteins have structural role in the ______________ matrix of animal and bacterial cell?
Glycolipids and glycoproteins have structural role in the ______________ matrix of animal and bacterial cell?
A. Extracellular
B. Intracellular
C. Both of these
D. Glucose
The type of learning in which there is loss or decrease in response to repeated stimuli?
The type of learning in which there is loss or decrease in response to repeated stimuli?
A. Imprinting
B. Habituation
C. Latent learning
D. Insight learning
Keto group is represented as___________?
Keto group is represented as___________?
A. CO
B. C-COO-C
C. HCOH
D. HOH
Sleep movements are a type of___________?
Sleep movements are a type of___________?
A. Turgor movements
B. Growth movements
C. Tactic movements
D. Paratonic movments