AIIMS SCALE UP
27 .Match the types of vascular bundles listed under
Column I with examples given under Column II and
select the correct option from the codes given below.
Column I
(Vascular bundle)
Column II
(Example)
A. Collateral and open 1. Cucurbita stem
B. Radial 2. Ferns
C. Bicollateral 3. Maize root
D. Concentric 4. Sunflower- Maize stem
Codes
A B C D A B C D
(a) 4 3 1 2 (b) 5 3 2 1
(c) 4 2 3 1 (d) 3 1 2 4
28 .Select one of the following pairs of important features
distinguishing Gnetum from Cycas and Pinus and
showing affinities with angiosperms
(a) perianth and two integuments
(b)the presence of vessel elements and the absence of
archegonia
(c) embryo development and apical meristem
(d) the absence of resin duct and leaf venation
29 .The smooth sustained contraction of a muscle due to
the fusion of many twitches is called
(a) tendon (b) tetanus
(c) rigor mortis (d) vigor mortis
30 .In C 4 plants showing Kranz anatomy, which of the
following is correct?
(a) Bundle sheath cells agranal and mesophyll cells granal
(b) Bundle sheath cells granal and mesophyll cells agranal
(c) Both are agranal
(d) Both are granal
31 .During labelling the diagram of human left limb, a
student has done some mistakes in labelling. The
wrongly labelled bones in the figure are
(a) tibia and tarsals
(b) femur and fibula
(c) fibula, phalanges and tibia
(d) tarsals and femur32 .In Blackmann’s ‘Law of Limiting Factors’ the rate of
photosynthesis continues to increase with the
successive increase in the amounts of
(a) carbon dioxide, light and temperature
(b) temperature, light and carbon dioxide
(c) light, temperature and carbon dioxide
(d) light, carbon dioxide and temperature
33 .Pick up the correct match in relation to glands and
diseases associated with them.
Diseases Glands
A. Addison’s disease 1. Pituitary
B. Tetany 2. Thyroid
C. Acromegaly 3. Adenal cortex
d. Myxedema 4. Parathyroid
Codes
A B C D A B C D
(a) 3 4 1 2 (b) 1 3 2 4
(c) 3 4 2 1 (d) 3 2 1 4
34 .Which of the following elements is an activator for both
ribulose bisphosphate carboxylate oxygenase and
Phosphoenol pyruvate carboxylase in photosynthetic
carbon fixation?
(a) Zn^2 + (b) Mn^2 + (c) Ca^2 + (d) Mg^2 +
35 .A set of parasites and their respective vector/
intermediate host are given. Match the following and
select the correct answers with the help of the codes
given below.
Column I Column II
A. Dracumuculus medinensis 1. Sandfly
B. Schiotosoma haematobium 2. Cyclops
C. Leishmania donovani 3. Cattle
D. Taenia saginata 4. Snails
Codes
A B C D A B C D
(a) 2 4 1 3 (b) 2 3 1 2
(c) 4 2 1 3 (d) 1 3 2 4
36 .Dimorphism of nuclei is unique to which protistan
group
(a) ciliata (b) sarcodina (c) sporozoa (d) flagellata
37 .Which of the following is a characteristic feature of
mammals without any exception?
(a) Mammals are viviparous and have biconcave RBCs
(b) Heterodont teeth and 12 pairs of cranial nerves
(c) Muscular diaphragm and milk producing glands
(d) Extra-abdominal testes and a four chambered heart
38 .The female sex organ (archegonium) in the case of
Anthoceros (bryophytes)
(a)is always on stalks
(b)is always on the surface
(c)is always placed ventrally
(d)is almost completely embedded in the thallus tissue and
the top of neck is exposed
39 .Hartig net is formed due to
(a)aggregation of mycelium
(b)association of fungal hyphae with host root
(c)intermingling of cytoplasm and nuclei of ‘+‘ mating type
hyphae and ‘–ve’ mating type hyphae
(d)All of the above
40 .Mark the hypertonic solution.
(a)When osmotic pressure of solution is zero.
(b)Osmotic pressure of cell sap and solution is equal.
(c)Osmotic pressure of solution is lower than that of the cell sap.
(d)When osmotic pressure of solution is higher than that of the
cell sap.FemurTibia
Fibula
Tarsals
Phalanges