Worksheetsfossils and Gymnosperms
Total questions: 12
Worksheet time: 7mins
Earth is about - years old
375 million years
475 million years
575 million years
100 million years
Which type of fossil is this
Cast
Mold
Amber
Compression
Formation Fossils is called
Fossilization
Mineralization
Both
None
In which Eon are we living
Phanerozoic Eon
Proterozoic Eon
Paleozoic Eon
Hadean Eon
Which Fossil is considered the Best
Compression
Cast
Petrifaction
Coal Ball
How many classes are there in Gymnosperms as per Sporne classification
4
3
2
1
Living Fossil
Pinu roxiburghi
Ginkgo biloba
Cycas circinalis
Gnetum ula
Pinus needle is traingular in shape
Pinus sylvestris
Pinus roxburghi
pinus longifolia
Both P.roxburghi&P.longifolia
Winged pollen grain in pinus shows these cells before dehisence
Ist prothallial cell
2nd prothallial cell
Antheridial cell
All
which form in clusters
Male cone
Female cone
Both
None
Ovule in Pinus shows how many integuments
one integument
two integuments
Three integuments
Ategmic
Winged Pollen grains in Pinus are in
Yellow color
white color
Red color
Brown color
