Tendrils are found in the following plants. Identify whether they are stem tendrils or leaf tendrils.
(a) Cucumber
(b) Peas
(c) Pumpkins
(d) Watermelon

In the following, state whether A=B or not A={a,b,c,d}, B={d,c,b,a}

Plastids are found in all plant cells and in euglenoides Draw a diagram of the chiroplast and label the fol lowing parts: a) Grana b) Stroma c) Tylakoid d) Stroma lamella

During a field trip Raju has some organisms with the following characters. Help him to identify the phyla of those organisms. a) Metameically segmented body. b) Body covered with calcareous shell. c) Dorso-ventrally flattened leaf like body. d) Body divided into head, thorax and abdomen.

Use the periodic table to answer the.following questions? a. Identify an element with five electrons in the outer subshell. b. Identify an element that would tend to lose two electrons. c. Identify an element that would tend to gain two electrons. d. Identify group having metal, non-metal, liquid as well as gas at the room temperature.

The enthalpy change in a process is the same, whether the process is carried out in a single step or inseveral steps. a) Identify tha law stated here. b) Calculate the enthalpy of formation of CH_4 from the following data : i) C_((s))+O_(2(g))rightarrowCO_(2(g)) DeltaH = -393.7kJ/mol ii) H_(2(g))+frac{1}{2}O_(2(g))rightarrowH_2O_((l)) DeltaH = -285.8kJ/mol iii) CH_(4(g))+2O_(2(g))rightarrowCO_(2(g)) DeltaH =-890.4kJ/mol

Rearrange the following events of sexual reproduction in the sequence in which they occur in a flowering plant. (a) Pollination (b) Embryogenesis (c) Gametogenesis (d) Fertilisation