1.
One of the following statements is incorrect
Hint
2.
The group of organism that inhabit a particular area and interact with one another form a?
3.
Under blue light, Charles A. Spencer microscope could produce magnification up to about
4.
Avery, Macleod and Mccarty showed that the transforming principles consist entirely of DNA in what year?
5.
______ is the main chemical components of the primary plant cell wall.
6.
The study of detailed structure of tissues making up a particular organ is
7.
Protein contain the following elements except
8.
Thymine (T) and Cytosine (C) are 2 types of
Hint
9.
The vegetable with botanical name Allium cepa is
10.
On of the following is not an example of DNA Replication
11.
One of the following is incorrect about the difference between RNA and DNA
12.
According to Griffith’s experiment in 1928 the mouse lives when
(i) injected with rough strain bacteria
(ii) injected with smooth strain bacteria
(iii) heat killed smooth bacteria +non heat killed Rough bacteria injected in mouse
(iv) injected with heat-killed smooth strain bacteriaDeselect Answer
14.
--------- is known as the father of microscopy
15.
The molecule called deoxyribonucleic acid (DNA) was discovered by Friedrich miescher in
16.
The finest known lenses that were produced around 1632-1723 produced magnifications up to about
17.
When a homozygous tall plant was crossed with a homozygous dwarf plant, the f1 offspring were selfed to produce the f2 offspring. What is the phenotypic and genotypic ratios respectively?
18.
One of the following scientific discoveries was mismatched
a. 1674 – Leeuwenhoek discovered protozoa.
b. 1838 – Schleiden and Schwann proposed cell theory.
c. 1858 – Rudolf Virchow expounds his theory
d. 1959 – Siemens produced the first commercial TEM
e. 1965 – Cambridge Instruments produced the first SEM
f. 1985 – Tsien identifies mutant of GFP
g. 1989 – Hamilton and Baulcombe discover siRNADeselect Answer
19.
Transpiration is high under which of the following conditions
20.
All the following are light illuminated except
21.
The DNA is a three dimensional structure that is accepted today and for which a nobel prize was later awarded, was first proposed and demonstrated by_____
22.
Some prokaryotes have a variety of shapes and sizes, this is referred to as
23.
One of the following is absent in chemical combination of DNA
24.
According to specific pairing in DNA molecules
25.
All but one of the following statements is correct
26.
During his experiment, Hooke actually saw the dead cell walls of plant cells (cork), and he published these description in a book called
27.
How many bases makes a codon?
28.
The terms 'in vivo' and 'in vitro' means _____ and _____ respectively
29.
Which of the three conclusions of Theodore Schwann about cells was proven wrong?
30.
The Botanical name of Sugarcane is