|
What is dispersal? List the agents of dispersal
|
|
0
|
4322
|
March 24, 2018
|
|
What would happen if all the seeds of a plant fall under the parent plant?
|
|
0
|
1929
|
March 24, 2018
|
|
Define reproduction. Why is it important?
|
|
0
|
1598
|
March 24, 2018
|
|
Name the four whorls of a flower. Write the function of each
|
|
0
|
741
|
March 24, 2018
|
|
How does the process of fertilisation take place in flowers?
|
|
0
|
2802
|
March 24, 2018
|
|
Sketch the reproductive parts of a flower
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|
0
|
2483
|
March 24, 2018
|
|
Explain the difference between self-pollination and cross-pollination
|
|
0
|
14929
|
March 24, 2018
|
|
State the main differences between asexual and sexual reproduction
|
|
0
|
2933
|
March 24, 2018
|
|
Explain what you understand by sexual reproduction
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|
0
|
665
|
March 24, 2018
|
|
Group the seeds given in figure (i) to (Hi) according to their means of dispersion. (a) Seed dispersed by wind (ib) Seed dispersed by water (c) Seed dispersed by animal
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|
0
|
3808
|
March 24, 2018
|
|
When you keep food items like bread and fruits outside for a long time especially during the rainy season, you will observe a cottony growth on them
|
|
0
|
7937
|
March 24, 2018
|
|
In the diagram given in figure label the parts marked (a), (b) and (c)
|
|
0
|
1251
|
March 24, 2018
|
|
For an aqueous solution of HF, determine the van't Hoff factor assuming
|
|
0
|
7511
|
March 24, 2018
|
|
Rank these compounds by boiling point. Highest Boiling Point pentane: H3C-CH2-CH2 -CH2-CHs CH3
|
|
0
|
1763
|
March 24, 2018
|
|
Evaluate the surface integral
|
|
0
|
691
|
March 24, 2018
|
|
Draw the shear diagram for the beam
|
|
0
|
4351
|
March 24, 2018
|
|
At t =0s, the current in the circuit in the figure is I0. At what time is the current 12I0?
|
|
0
|
5231
|
March 24, 2018
|
|
Rank these species by their ability to act as an oxidizing agent. Na+, Cl2, Cr^2+, Ni^2+
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|
0
|
1052
|
March 24, 2018
|
|
H2(g) + F2(g) ------> 2HF (g) Delta H rxn = -546.6 kJ 2H2(g) + O2 (g) -----> 2H2O
|
|
0
|
3553
|
March 24, 2018
|
|
The reaction has an initial rate of 0.0530 M/s. What will the initial rate be if [A] is halved and [B] is tripled?
|
|
0
|
2831
|
March 24, 2018
|
|
How much work is done on the gas in the process shown in the figure?
|
|
0
|
6746
|
March 24, 2018
|
|
What mass of ammonium chloride, NH4Cl, (Ka = 5.6 x 10^-10) must be added to exactly 500mL of 0.10M
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|
0
|
2046
|
March 24, 2018
|
|
The density of acetic anhydride is 1.08 g/mL. How many moles arecontained in 5mL
|
|
0
|
7991
|
March 24, 2018
|
|
Predict the product of the following reaction. Draw all hydrogen atoms
|
|
0
|
4249
|
March 24, 2018
|
|
A particle in uniform circular motion requires a net force acting in what direction?
|
|
0
|
391
|
March 24, 2018
|
|
Classify these compounds as strong electrolytes, weak electrolytes, or nonelectrolytes
|
|
0
|
682
|
March 24, 2018
|
|
Which of the following reactions have a positive ΔSrxn? Check all that apply
|
|
0
|
1427
|
March 24, 2018
|
|
Give the correct organic products, in any order, for the following ozonolysis reaction:
|
|
0
|
4265
|
March 24, 2018
|
|
Assuming equal concentrations, rank these solutions by pH
|
|
0
|
725
|
March 24, 2018
|
|
Express your answer as a chemical equation. Enter NO REACTION if no reaction occurs
|
|
0
|
8471
|
March 24, 2018
|