Identify the following as element , compound or mixture : (i) Brass (ii) Marble (iii) Helium (iv) Honey (v) nitre (vi) Gasoline (vii) Table salt (viii) Air (ix) Caustic soda (x) Gold

Identify the following as metal or non-metal.(i) Graphite (ii) Lead (iii) Mercury (iv) Sulphur (v) Potassium (vi) Nitrogen (vii) Diamond (vii) Ozone

Given figure represents longitudinal section of a monocotyledonous embryo. Identify the parts labelled as A,B, C and D from the list (i-vii) and select the correct option (i) Scutellum (ii) Coleoptile (iii) Shoot apex (iv) Epiblast (v) Radicle (vi) Root Cap (vii) Colerhiza

Classify each of the following solids as ionic, metallic, molecular, network (covalent) or amorphous. (i) Tetraphosphorus decaoxide (P_(4)O_(10)) (ii) Ammonium phosphate (NH_(4))_(3) PO_(4) (iii) SiC (iv) I_(2) (v) P_(4) (vi) Graphite (vii) Brass (viii) Rb (ix) LiBr (x) Si (xi) Plastics

The narrowly utilitarian arguments for biodiversity conservation include which of the following from the given list? (i) Industrial products like dyes, lubricants (ii) Ecosystem services like photosynthesis (iii) Pollinators layer of bees, birds and bats (iv) Firewood, fibre and construction material (v) The aesthetic pleasure of walking through thick woods (vi) Products of medicinal importance (vii) Watching spring flowers in full bloom (a) (i), (ii), (v) and (vii) (b) (ii), (iii), (v) and (vii) (c) (i), (iv) and (vi) (d) (ii), (v), (vi) and (vii)

Identify the components labelled as A, B, C and D in the given figure of cell membrane from the list (i) to (vii) given along with and select the correct option. Compounds : {:("(i) Sugar","(ii) Protein"),("(iii), Lipid bilayer","(iv) Integral protein"),("(v) Cytoplasm","(vi) Cell wall"),("(vii) External protein",):} The correct matching of components is

Functions of plant growth promoters and plant growth inhibitros are given here in a jumbled up manner. Select the option that correctly segregates these functions. (i) Cell division (ii) Cell enlargement (iii) Pattern formation (iv) Tropic growth (v) Flowering (vi) Fruiting (viii) Seed germination (viii) Response to wounding (ix) Response to stresses of biotic and abiotic origin (x) Dormancy

Consider the following steps involved in nodule formation in the root of a legume. (i). Bacteria release chemicals and enzymes. (ii). Bacteria stop dividing and form bacteroides. (iii). Roots secrete chemical atractants. (iv). Formation of infection thread. (v). Formation of nodules. (v). Formation of nodulues. (vi). Division of infected cortical cells. (vii) Curlinig of root hair and degradation of their cell wall. (viii). Infection thread grows along with multiplication of bacteria. Arrange the steps in the right sequence and mark the correct option

some important events that occur during the menstrual cycle are given below. Arrange the events in a proper sequence and select the corrrect option. (i). Proliferation of endometrial wall (ii). LH surge (iii). Secretion of estrogen (iv). Secretion of progesterone (v). Ovulation (vi). Growth of corpus luteum (vii). Degeneration of corpus luteum (viii). menstruation

Given diagram illustrates an evolutionary tree. Which of the following statements can be deduced from the given evolutionary tree? (i) The ancestral eukaryotes were anaerobic. (ii) All eukaryotes were anaerobic. (ii) All eukaryotes possess mitochondria. (iii) Eubacteria and Eukaryota have a common ancestor whereas Archebacteria have a unique and independent origin. (iv) Mitochondria and chloroplasts have similar genomes. (v) Mitochondria are presents in plants, animals and fungi. (vi) chloroplasts and mitochondria arose asendosymbionts. (vii) Fungi and animals lost chloroplasts during evolution.

Consider the following statements (A-D) each with one or two blanks. (A) Four characters of chordates are the presence of overset("(i)")"_____" dorsal hollow nervous system, overset("(ii)")"_____" and muscular tail (B) Agnatha are the most primitive craniates. They are commonly called overset("(iii)")"_____" vertebrates (C) Electric ray belongs to class overset("(iv)")"_____" while sea horse belongs to class overset("(v)")"_____" (D) overset("(vi)")"_____" are also defined as feathered bipeds. These have a overset("(vii)")"_____" gland on the tail Which one of the following options, correctly fills any two of the given statements ?