Anatomically fairly old dicotyledonous root is distinguished from the dicotyledonous by
the absence of secondary xylem
the absence of secondary phloem
the presence of cortex
the presence of cortex
D.
the presence of cortex
In dicotyledonous root, the condition of xylem is exarch as the protoxylem away from the centre and metaxylem onwards the centre. In dicotyledonous stem (eg, Cucubita), the condition of xylem is endarch as the metaxylem away from the centre and protoxylem towards the centre.
Compared to blood our Lymph has
no plasma
plasma without proteins
more WBCs and no RBCs
more WBCs and no RBCs
Manganese is required in
nucleic acid synthesis
plant cell wall formation
photolysis of water during photosynthesis
photolysis of water during photosynthesis
Phylogenetic system of classification is based on
evolutionary relationships
morphological features
chemical constituents
chemical constituents
Given below is a schematic break-up of the phase/stages of cell cycle
Which one of the following is the correct indication of the stage/phase in the cell cycle?
B -Metaphase
C-karyokinesis
D-Synthetic phase
D-Synthetic phase
Which one of the following statement is true regarding digestion and absorption of food in humans?
Oxyntic cells in our stomach secrete the proenzyme pepsinogen.
Fructose and amino acids are absorbed through intestinal mucosa with the help of carrier ions like Na+
Chylomicrons are small Lipoprotein particles that are transported from the intestine into blood capillaries.
Chylomicrons are small Lipoprotein particles that are transported from the intestine into blood capillaries.
Cytoskeleton is made up of
calcium carbonate granules
callose deposits
cellulosic microfibrils
cellulosic microfibrils
Aerobic respiratory pathway is appropriately termed
catabolic
parabolic
amphibolic
amphibolic
The most popularly known blood grouping is the ABO grouping. It is named ABO and not ABC, because 'O' in it refers to having
other antigens besides A and B on RBCs
over dominance of this type on the genes for A and B types
one antibody only-either anti-A or anti- B on the RBCs
one antibody only-either anti-A or anti- B on the RBCs
