Q. 1
Which of the following statements is false with respect to class Monocotyledoneae?
- a. Grass is an example of class Monocotyledonae
- b. Embryo has one cotyledon
- c. Monocotyledons have a single cotyledon
- d. Vascular cambium usually absent
- e. Monocotyledons generally have reticulate venation
- Answer: A
Q. 2
Heart develops from
- a. Lateral plate mesoderm
- b. Intermediate mesoderm
- c. Ectoderm
- d. Endoderm
- e. Paraxial mesoderm
- Answer: A
Q. 3
Which of the following is/are the characteristics of euglenoids?
- a. Autotrophic
- b. Heterotrophic
- c. Presence of pellicle
- d. Presence of flagella
- e. All the above
- Answer: A
Q. 4
Which of the following reactions block polyspermy?
- a. Capacitation
- b. Spermatogenesis
- c. Acrosome reaction
- d. Cortical reaction
- e. Fertilization
- Answer: A
Q. 5
Which of the following develops from ectoderm?
- a. Liver
- b. Pancreas
- c. Kidney
- d. Stomach
- e. Brain
- Answer: A
Q. 6
To which of the following do ES cells belong?
- a. Pluripotent
- b. Oligopotent
- c. Multipotent
- d. Totipotent
- e. None of the above
- Answer: A
Q. 7
Presence of metameric segmentation is the characteristic of phylum
- a. Protista
- b. Porifera
- c. Cnidaria
- d. Annelida
- e. Platyhelminthes
- Answer: A
Q. 8
A process by which an egg undergoes a series of rapid cell divisions without cell growth or gene expression is called
- a. Apoptosis
- b. Acrosome reaction
- c. Cortical reaction
- d. Cleavage
- e. None of the above
- Answer: A
Q. 9
Which of the following is mixotropic?
- a. Yeast
- b. Dinoflagellates
- c. Amoeba
- d. Mushroom
- e. Blue-green algae
- Answer: A
Q. 10
Lung is a derivative of ________ germ layer.
- a. Surface ectodermal
- b. Neuroectodermal
- c. Mesodermal
- d. Endodermal
- e. Both A and C
- Answer: A
Q. 11
The passage of materials between the nucleus and the cytosol takes place through
- a. Vesicle
- b. Nuclear pore
- c. Nucleosome
- d. Cajal body
- e. Nuclear speckle
- Answer: A
Q. 12
The state of a neuron which inhibits the generation of action potential is said to be
- a. Depolarized
- b. Repolarized
- c. Hyperpolarized
- d. Resting potential
- e. A, B and D
- Answer: A
Q. 13
The word ???arthropod??? means
- a. Jointed feet
- b. Jointed head
- c. Presence of eight legs
- d. Segmented body
- e. Bilateral symmetry
- Answer: A
Q. 14
Which of the following is included in aphotic zone?
- a. Bathypelagic
- b. Abyssopelgic
- c. Mesopelagic
- d. Hadopelagic
- e. All of the above
- Answer: A
Q. 15
Engrailed proteins are
- a. Tethering proteins
- b. Transcription factors
- c. Ubiquitins
- d. Signaling molecules
- e. Carrier proteins
- Answer: A