Spectrum Biology - September 2016

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  1. Inner seed coat.

  2. Organs which have same fundamental structure, but are


different in functions.



  1. Attachment of blastocyst to the uterine wall.

  2. A nitrogenous base of RNA.

  3. A large brown alga used as a source of iodine.

  4. Formed in the foetal ovary by gamete mother cells.

  5. Small bones of mammalian ear.

  6. The second heart sound that is shorter and of higher pitch.

  7. The nucleotide region in a gene that codes for the gene product.

  8. A span of time smaller than a period.

  9. The swallon portion of an archaegonium in which the egg cell


develops.



  1. Connecting link between living and non-living.

  2. Member of family–Orchidaceae.

  3. Tissue that transports food from leaves to other parts of plants.

  4. A simple, dry, dehiscent fruit.

  5. Membranous structures of various types.

  6. A small, filamentous process found in the intestinal mucosa.

  7. A group of parasitic fungi of order–Ustilaginales of


class–Basidiomycetes.



  1. Another name of vitamin-B. 3

  2. Proteins that form huge pores in the membranes of


mitochondria, plastid and bacteria.



  1. A muscle that cause a limb to bend.

  2. A modification of stem, leaf or petiole with a thread-like shape


used by climbing plants for support.



  1. A hormone produced by the ovary and the placenta.


Why are you so short
when your parents are
so tall?

T=Tall allele
t=Short allele

TT Tt

Tt tt

Tt

T

t

TT Tt

Tt tt

Tt

T

t
me

Heredlty

Look at
the square

ACROSS



  1. Complete, but single set of chromosomes.

  2. A protein hormone, which suppresses FSH synthesis.

  3. Latex from unripe fruits of poppy plant.

  4. A scar left on seed coat by the former attachment to


the ovary wall.



  1. Spongy porous area on the outer part of plant that


allows interchange of gases.



  1. The body cavity lined by mesoderm.

  2. All the organisms in a given locality.

  3. The protein component of haemoglobin.

  4. An element of xylem.

  5. A chamber of heart.

  6. The cylinder of parenchyma tissue found in the


centre of stems.



  1. It grows into a functional haploid ovum.

  2. An umbrella-like cap of mushroom.

  3. Embryonic shoot tip.

  4. A white, translucent, fleshy structure between


seed and pericarp of litchi.



  1. An undeveloped or embryonic shoot normally occurs in the axil of a leaf or at the tip of stem.

  2. An artificial analytical device having a list of statements used for identifying organisms.


CROSSWORD


PL U G N

COMPKY

PHB C

NO T DNI

T RHDHLMN

PLS T

PRMAVLLS

FATA

EOVR

LTI ELA

OLV

IMOUM

NLOP

RDINHO INRO

OH X A LP

TH XN

NCLGN P

K

SEVORT T FE

29 19 18 22 38 1 36 35 14

2

9

23

12 37

11 3 4 6

26

5

10

21

27

28

8 30

40

17

13

39

16

34 24

32

20

25


31

15


33


D

E B

A

7
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